Bell v. PNC Bank, National Ass'n ( 2015 )


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  •                                  In the
    United States Court of Appeals
    For the Seventh Circuit
    ____________________
    No. 14-3018
    MARISELI GOMEZ BELL,
    Plaintiff-Appellee,
    v.
    PNC BANK, NATIONAL ASSOCIATION,
    Defendant-Appellant.
    ____________________
    Appeal from the United States District Court for the
    Northern District of Illinois, Eastern Division.
    No. 12-C-1274 — Thomas M. Durkin, Judge.
    ____________________
    ARGUED MARCH 31, 2015 — DECIDED AUGUST 31, 2015
    ____________________
    Before KANNE and ROVNER,                    Circuit    Judges,   and
    SPRINGMANN, District Judge.*
    ROVNER, Circuit Judge. Mariseli Gomez Bell alleged that
    her former employer, PNC Bank, failed to pay her overtime
    *The Honorable Theresa L. Springmann, of the Northern District of Indi-
    ana, sitting by designation.
    2                                                 No. 14-3018
    wages in violation of the Fair Labor Standards Act, 29 U.S.C.
    §§ 201–262, the Illinois Minimum Wage Law, 820 ILCS 105/1-
    105/15 and the Illinois Wage Payment and Collection Act,
    820 ILCS 115/1-115/15. Bell claims that the failure was not an
    isolated incident, but rather part of a policy or practice of
    PNC that affected many other employees. Consequently she
    successfully moved the district court to certify a class of
    plaintiffs. We affirm.
    I.
    The district court set forth an extensive and thorough rec-
    itation of the facts in this case, from which we borrow liber-
    ally. Bell worked as a senior banker at the PNC branch at
    Broadway and Berwyn Streets in Chicago from June 1, 2009,
    through May 31, 2011. Bell submitted an affidavit from
    which the district court extracted facts about her knowledge
    of PNC’s overtime policies and practices. R. 65, apx.1–7. In
    her affidavit, Bell states that she was evaluated, in part, on
    the basis of how many new accounts she brought into the
    bank, and in order to generate new accounts she needed to
    spend “significant” time outside of her regular work hours
    visiting prospective clients. Some of the assignments to visit
    prospective clients came from Greg Bolden, a PNC vice pres-
    ident who did not work at the Broadway and Berwyn
    branch. The overtime work was necessary, she asserted, be-
    cause the branch was understaffed and could not spare her
    absence, including, at times, during her lunch breaks.
    According to Bell, when she submitted time cards reflect-
    ing overtime work, her branch manager, Letticia Flores, re-
    jected the time cards and told Bell that PNC “would not
    No. 14-3018                                                              3
    permit the overtime.” R. 65, apx.3.1 Flores also submitted an
    affidavit describing her personal knowledge of PNC’s over-
    time policies and practices. Flores is now deceased and can-
    not be cross-examined, but in her affidavit, Flores states that
    her supervisor, Christina Romis, a PNC regional manager,
    told her that “PNC would not permit [Flores] to report over-
    time for the branch,” and “PNC expected its employees to
    handle their outside-the-branch work on their own time,
    without reporting any extra hours that they worked.” 
    Id., apx.10. Bell
    also averred that Romis told her that PNC
    “would not permit overtime to be reported by employees.”
    
    Id., apx.3. PNC,
    however, has always had written policies
    prohibiting off-the-clock work and requiring payment for
    overtime hours.
    In January 2011, Margaret Alvarez, an Employee Rela-
    tions Investigator for PNC, contacted Bell to ask whether she
    had ever worked unpaid overtime hours, and Bell confirmed
    that she had. According to Bell, Alvarez told her that PNC
    “would not pay for hours that [Bell] could not support with
    documents.” 
    Id., apx.4. On
    July 31, 2011, after Bell had re-
    signed from PNC, she received an electronic deposit in her
    checking account for $1,392.89. Later, Bell learned through
    communications related to this litigation, that through this
    payment PNC intended to compensate her for 68.15 unpaid
    overtime hours. Bell believes that this payment is insufficient
    1 Citations are to the record cites from the district court. Due to various
    anomalies in the electronic docketing system and procedures regarding
    the unsealing of documents in this court, (see Seventh Circuit Operating
    Procedure 10(b)), the record does not appear in one location on our
    docket. Instead it appears at R. 11, 12, 13 and 20 in our docket. To avoid
    confusion, therefore, we cite to the district court record.
    4                                                 No. 14-3018
    to compensate her for the actual number of overtime hours
    she worked for PNC in 2009 and 2010.
    In addition to Bell’s and Flores’ affidavits, the district
    court considered PNC’s own investigation reports docu-
    menting complaints of unpaid overtime. The reports show
    that in addition to Bell, two other employees at the same
    branch complained that they were not paid for overtime
    hours that they worked. One employee, Ernest Ward,
    claimed that he was not paid for 45.61 hours of overtime and
    that he was discouraged from submitting overtime records.
    PNC’s investigation into Ward’s claims revealed that Flores
    did not want employees at her bank working overtime and,
    instead, offered Ward permission to leave work early on an-
    other day as compensation. R. 66, apx.276–77. After the in-
    vestigation, PNC paid Ward for 50.18 hours of overtime.
    According to the PNC investigator, on July 3, 2013, PNC
    began to investigate whether Ward “enable[d] branch em-
    ployees to falsify bank referral reports.” R. 73–1, pp.6–7. The
    next day, Ward filed a lawsuit against PNC for failure to pay
    overtime wages. See Ward v. PNC Bank, N.A., No. 13 C 95
    (N.D. Ill., dismissed Sept. 25, 2014). PNC fired Ward on Feb-
    ruary 14, 2013.
    PNC’s investigation reports also show that another em-
    ployee at Bell’s branch, Tess Claveria, claimed that Flores
    refused to allow overtime claims and instead directed
    Claveria to leave work early on a later day in an attempt to
    compensate Claveria for the overtime hours. Claveria also
    claimed that she was deprived of her full lunch hour on cer-
    tain occasions. Claveria sought compensation for overtime
    hours, and PNC determined that it only owed her payment
    for 8.02 overtime hours. Alvarez stated that PNC’s analysis
    No. 14-3018                                                  5
    of teller electronic journals, alarm codes, log-in and log-out
    reports, and payroll reports for the dates Claveria reported
    unpaid overtime or missed meal periods showed that
    Claveria provided inconsistent statements about the time
    she worked. On December 26, 2012, PNC began to investi-
    gate claims that Claveria “entered false information that en-
    abled her to receive credit for unearned referrals and/or un-
    earned incentive pay.” R. 73–1, p.6. Claveria opted into this
    lawsuit on January 23, 2013, and PNC fired her on February
    14, 2013.
    PNC eventually fired branch manager Flores as a result
    of its investigations into allegations of unpaid overtime. Bell
    testified that after Flores was fired, her new “manager [told
    Bell] that if [Bell] was working overtime to go ahead and re-
    port it.” R. 65, apx.53 (145:17–23).
    PNC produced all of its internal investigation reports de-
    tailing any direct or indirect complaints of unpaid overtime
    in Illinois for the relevant time period. The reports disclose
    that nearly ninety percent of PNC’s Illinois branches have
    never had any complaints about unpaid overtime. They also
    show that some employees at other branches complained to
    PNC Employee Relations that they worked overtime hours
    for which they were not paid. PNC produced a table compil-
    ing these complaints and listing any overtime compensation
    PNC paid as a result of its internal investigations. R. 65,
    apx.153–58. Bell’s counsel compared PNC’s table to the in-
    vestigation reports themselves and created a list of com-
    plaints found in the investigation reports that were not in-
    cluded in PNC’s table, and a list of employees who worked
    overtime but were not paid. R. 65, apx.159–161. The district
    court reviewed PNC’s table, Bell’s counsel’s list, and the in-
    6                                                No. 14-3018
    vestigation reports themselves and created a summary com-
    pilation of what the evidence revealed regarding complaints
    of unpaid overtime made by employees at each branch in-
    cluded in the class Bell seeks to certify. The district court
    compiled the following facts:
    • At the Algonquin branch, an employee alleged that he
    was not paid when he arrived early to work or when he
    traveled to customer locations to pass out flyers. R. 66,
    apx.302, apx.308–09. The employee also stated, however,
    that the branch manager had never told him not to record
    overtime. 
    Id. p. apx.308.
    Other employees at the branch stat-
    ed that the employee purposefully arrived to work early so
    he could leave early. 
    Id. p. apx.309.
    PNC told the employee
    he would need to provide documentation for any time for
    which he had not been paid, and the employee agreed that
    he would provide this if he could. 
    Id., apx.302. The
    employee
    was fired for other misconduct unrelated to recording time,
    
    id. at apx.301–03,
    and the employee never requested pay-
    ment for unpaid hours.
    • At a Bloomington branch on Market Street & JC Park-
    way, an employee alleged that the branch manager planned
    to shift overtime hours to the following week to avoid pay-
    ing overtime rates. R. 66, apx.314. PNC contacted the man-
    ager, and he denied having said that he intended to shift
    hours in this manner and promised to clarify with the
    branch staff that overtime hours would not be shifted. 
    Id. • At
    the Bolingbrook branch, a branch manager was in-
    formed that two employees had taken home information
    about new PNC products to study. When an employee noted
    that employees should receive overtime pay for such work,
    the branch manager said, “Bolingbrook does not have this
    No. 14-3018                                                 7
    issue.” R. 66, apx.319–20. The manager was disciplined. 
    Id., apx.321. The
    two employees did not request overtime pay,
    but PNC paid each of them an hour of overtime. R. 65,
    apx.155. Another employee stated that on rare occasions she
    did not record that she left work ten minutes late. R. 66,
    apx.328. PNC’s records do not reflect that this employee re-
    quested overtime compensation for this time or that PNC
    paid her any such compensation.
    • At the Buffalo Grove branch, several employees re-
    ported that the branch manager told employees that “PNC
    does not allow overtime and overtime would only be paid to
    employees who were deserving of it.” R. 66, apx.364. The
    manager also told employees to take extra paid vacation ra-
    ther than paying overtime. 
    Id. PNC investigated
    the manag-
    er, R. 66, apx.362, and paid seven employees a total of 148.45
    hours of overtime. R. 65, apx.154.
    • At the Carpentersville branch, an employee initially al-
    leged that she had been denied a lunch break. The investiga-
    tion revealed that the employee had formerly been allowed
    to take her lunch break late in the afternoon so she could
    pick up her son, but had been told she could no longer do
    this because it violated PNC policy. The employee con-
    firmed that she was fully compensated for her lunch break
    and was not owed additional pay. R. 66, apx.418.
    • At a Chicago branch at 18th & Clark, an employee re-
    ported that her practice was to enter all of her time for the
    week at the beginning of the week and then adjust for any
    differences that occurred as the week progressed. R. 66,
    apx.424. She reported that on some occasions she worked
    past the time she had initially recorded but failed to adjust
    the time. 
    Id. The employee
    stated that her branch manager
    8                                                 No. 14-3018
    never advised her not to record all the time she worked. 
    Id., apx.424–25. PNC
    investigated whether the employee was
    owed any additional pay and determined that she was not.
    R. 65, apx.154.
    • At a Chicago branch at 35th & State, an employee al-
    leged that she worked through lunch breaks, but she also
    stated that she always recorded the time she worked, and
    she did not allege that PNC had failed to pay her overtime
    she was owed. R. 66, apx.438. PNC’s investigation revealed
    that the branch manager thought the employee was exempt
    from overtime pay, and the manager was issued a warning
    for this mistake. 
    Id. • At
    a Chicago branch at 87th & Cottage Grove, an em-
    ployee reported that the branch manager “made [the em-
    ployee] feel as though she was not allowed to enter overtime
    on her time card,” but “never specifically directed her not to
    enter overtime.” R. 66, apx.475. PNC fired the manager due
    to “extensive discrepancies in the time [the employee] en-
    tered as compared to the time she was logged into her com-
    puter” over a three-month period, and the manager was “ul-
    timately responsible” for errant time reporting. 
    Id. PNC paid
    the employee for 251.6 hours of overtime as a result of its in-
    vestigation. R. 65, apx.154. PNC’s investigator’s notes also
    show that another employee alleged that her lunch breaks
    were frequently interrupted due to inadequate staffing.
    R. 66, apx.487. PNC’s records do not reflect that this employ-
    ee’s allegations were addressed.
    • At a Chicago branch at LaSalle & Kinzie, the assistant
    branch manager reported that some employees had not re-
    ported overtime because “they may have been told there
    was ‘no overtime.’ ” R. 67, apx.545. One employee reported
    No. 14-3018                                                   9
    that he did not always record his overtime because “he did
    not want the branch to incur overtime.” 
    Id. Both employees
    stated that the branch manager communicated the im-
    portance of recording their time accurately, and no one had
    ever told them to enter time inaccurately. 
    Id. Another em-
    ployee consistently worked overtime and failed to record it,
    despite the manager telling the employee not to stay late and
    to accurately record his time if he did stay late. 
    Id., apx.540. Alvarez
    states that this employee was paid for all hours
    worked. R. 73–1, p.7 (ID#1036), but PNC’s list of overtime
    paid does not show that the employee was paid. R. 65,
    apx.154.
    • At a Chicago branch in Lincoln Park, an employee
    admitted that she sometimes interrupted her lunch break to
    assist customers. She did not allege that she was owed un-
    paid overtime or that her supervisor required her to inter-
    rupt her lunch break. R. 67, apx.557.
    • At a Chicago branch at Madison & Leavitt, an em-
    ployee admitted that he sometimes interrupted his lunch
    break to assist customers and would take additional lunch
    break time to compensate. He did not allege that he was
    owed unpaid overtime or that his supervisor required him
    to interrupt his lunch break. R. 67, apx.564.
    • At a Chicago branch at North & Homan, several em-
    ployees stated that the branch manager had interrupted their
    lunch breaks. R. 67, apx.570–71. The manager was disci-
    plined with a verbal warning. 
    Id. at apx.571.
    None of the
    employees sought payment for unpaid off-the-clock hours,
    and PNC did not pay for any. R. 65, apx.157.
    10                                                No. 14-3018
    • At a Chicago branch at State & Huron, an employee
    alleged that he had not been paid for work he did at home.
    R. 67, apx.577. The employee was advised that he was not
    permitted to work at home without approval of his manager.
    
    Id. The employee
    was paid for 0.30 hours of overtime. R. 65,
    apx.154.
    • Bell cites hand written notes of PNC investigators and
    alleges that these notes show that in 2009 at the Downers
    Grove branch on 75th Street, “employees reported that man-
    agement refused to permit employees to record time for
    work performed before the bank opened,” R. 64, p.5 (citing
    R. 67, apx.583–84, apx.588, apx.593), and that “[e]mployees
    were not paid for pre-shift work.” R. 64, p.7 (citing R. 67,
    apx.583–85). The district court, however, could not decipher
    the hand-written notes. Alvarez stated that the investigation
    at the Downers Grove branch did not involve an allegation
    of unpaid overtime, but rather allegations that employees
    were arriving to work late but recording their time as if they
    had arrived on time. R. 73–9, pp.8–9 (ID#1096-97). The dis-
    trict court noted that Alvarez did not cite any documents in
    the record to support these statements, nor did she explain
    why she would have personal knowledge of the investiga-
    tion at the Downers Grove branch.
    • At the Elgin branch, an employee stated that “there
    used to be a rumor that the policy was if you had an outage
    and you did not find it you did not get paid for the time you
    took to look for the outage.” R. 67, apx.599. The employee
    described this as an “unofficial rule.” 
    Id. The employee
    ,
    however, also stated that he had recently attended a meeting
    at which a person from the PNC legal department explained
    that all overtime was to be paid. 
    Id. The employee
    also stated
    No. 14-3018                                                 11
    that he has always been paid overtime, despite the rumor of
    an unofficial policy. Another employee initially alleged that
    she thought the branch manager told her not to record over-
    time, but that she missed a meeting at which the manager
    instructed the employees to record all overtime accurately.
    
    Id., apx.599–600. The
    employee initially thought she was
    owed 200 hours of overtime pay but later clarified that she
    was owed less than $200 of overtime pay. 
    Id., apx.600. The
    employee agreed that she was in fact owed 3.45 hours of
    overtime, 
    id., and PNC
    paid this. R. 65, apx.154.
    • At the Fox Lake branch, an anonymous employee re-
    ported that the branch manager required employees to re-
    port to work five minutes early and not record that time.
    R. 67, apx.612–13. PNC investigators spoke with two other
    employees at the branch and they said that the manager had
    never given such an instruction. 
    Id. No employees
    requested
    payment for unpaid overtime, and PNC did not pay for any.
    R. 65, apx.154.
    • At the Loves Park branch, several employees reported
    that a former branch manager instructed them not to record
    overtime, but that their current manager instructed them to
    report any overtime they worked. R. 67, apx.623. Alvarez
    stated that the Employee Relations department repeatedly
    asked the employees to report any overtime they were
    owed, but the employees failed to do so. R. 73–1 ¶ 46.
    • At the North Aurora branch, employees reported that
    the branch manager required them to arrive at work five
    minutes prior to the start of their shifts but not record these
    five minute periods. R. 67, apx.652–53. The manager was
    fired, 
    id. at apx.653,
    and seven employees were each paid be-
    tween 1.75 and 2.75 hours of overtime. R. 65, apx.155.
    12                                               No. 14-3018
    • At the Orland Park West branch, an employee was
    suspected of under-reporting her time. R. 67, apx.670. The
    employee admitted that she under-reported her time to hide
    her inability to work efficiently. 
    Id., apx.670–71. PNC
    paid
    the employee 1.25 hours of overtime. R. 65, apx.155.
    • At the Park Ridge branch, an employee reported a sin-
    gle instance of her manager telling her to record a lunch
    break she did not take in order to avoid overtime and allow
    the employee to take an extra paid break the following week.
    R. 67, apx.676–77. PNC told the manager this violated PNC
    policy. 
    Id., apx.677. The
    employee did not request payment
    for unpaid overtime, and PNC did not pay for any. R. 65,
    apx.157.
    • At a Rockford branch on Riverside Boulevard, an em-
    ployee reported that the branch manager “requested” that
    employees take extra time off rather than report overtime.
    R. 67, apx.702. PNC investigators spoke with three employ-
    ees at the branch and all three said they had never been in-
    structed not to report overtime. One employee skipped
    lunches without the manager's knowledge, and PNC paid
    that employee 2.75 hours of overtime. R. 65, apx.154. Anoth-
    er employee alleged that the manager had asked him to
    complete reports at home without overtime pay, but the em-
    ployee indicated that he refused to do so. R. 67, apx.693.
    • At the Schaumburg branch, in the course of a separate
    investigation, PNC learned that an employee had interrupt-
    ed her lunch on several occasions to assist customers. R. 67,
    apx.714. PNC paid the employee 1 hour of overtime. R. 65,
    apx.155. Another employee stated that he also sometimes
    interrupted his lunch break to assist customers, but the em-
    ployee stated that he would always complete his lunch break
    No. 14-3018                                                 13
    at some point during the day. R. 67, apx.714. Both employees
    stated that the decision to interrupt their lunch breaks was
    their own. 
    Id. • At
    the West Aurora branch, during a review of the
    branch's records, the PNC Employee Relations investigator
    noticed that an employee had worked every day from March
    7, 2011, through March 18, 2011. R. 67, apx.726. The employ-
    ee stated that “she thinks nothing of it if she comes into the
    branch to help out for a few minutes, and that she does not
    expect to get paid.” 
    Id. at apx.725.
    The manager advised the
    employee that she must record all her time. 
    Id. PNC’s inves-
    tigation report notes that the employee would be paid over-
    time for the unreported time, R. 67, apx.725, but PNC’s list of
    overtime payments contains no record that the employee
    was paid. R. 65, apx.156.
    • At the Wheaton–Danada branch, two employees re-
    ported that the branch manager “reacted in a negative man-
    ner when they entered overtime on their time sheets.” R. 67,
    apx.738. Both employees also reported that “they had inac-
    curately recorded their time on a number of occasions in or-
    der to make it appear as though they had only worked 40
    hours per week.” 
    Id. at apx.731.
    After an investigation into
    the amount of overtime pay PNC owed the two employees,
    PNC paid one employee for 39 hours of overtime and 27 ad-
    ditional hours of regular pay, and the other employee for 1.6
    hours of overtime and 1.6 additional hours of regular pay.
    R. 65, apx.154.
    In addition to the incidents recorded in PNC's investiga-
    tion reports, Bell submitted an affidavit from James Cobb, a
    manager of PNC's DePaul branches, in which he states that
    he had borrowed “more than 37[PNC] employees … from
    14                                                No. 14-3018
    branches all over the Chicago region” to staff “table days,”
    which are PNC promotional events. R. 65, apx.14. Cobb at-
    tached to his affidavit a list of 37 employees he says he “bor-
    rowed.” R. 65, apx.15. Cobb learned that his spouse, Ernest
    Ward (who as the Court has already noted, filed a related
    suit against PNC), had worked for him during a table day
    but had not recorded this time on his time card at the
    Broadway and Berwyn branch where Ward worked. Cobb
    expressed concern to a PNC Employee Relations representa-
    tive that he did not know whether the thirty-seven employ-
    ees had been paid for their overtime through their branch
    offices. Cobb claimed that he was told to ignore the issue
    and that PNC would not investigate. Alvarez, on the other
    hand, testified that she talked to PNC payroll personnel who
    told her that all thirty-seven of the employees in question
    had been properly paid. Alvarez did not provide business
    records to support this assertion. And, at least according to
    Cobb’s affidavit, Ernest Ward was not paid for his overtime.
    PNC contends that it has a written overtime policy that
    explicitly requires payment of time and a half for any time
    worked over forty hours in any work week. It contends that
    pursuant to this policy, it “has paid overtime at every branch
    in the putative class every year during the class period.”
    R. 72, p.6. Specifically, according to Alvarez, “PNC has paid
    overtime to non-exempt branch employees at every branch
    in the putative class during each year from 2009 to October
    2013 for a total of $432,290.85 for approximately 17,673 hours
    of overtime.” R. 73–1, p.4, (ID#1031). Alvarez, however, did
    not submit or reference any business records to the district
    court to support this assertion nor did she explain how she
    had personal knowledge of those facts. The district court,
    therefore, did not consider those assertions. This may have
    No. 14-3018                                                  15
    been an incorrect conclusion, as evidence given by affidavit
    could suffice to resolve disputes before deciding whether to
    certify a class. See Szabo v. Bridgeport Machs., Inc., 
    249 F.3d 672
    , 676 (7th Cir. 2001) (For class certification purposes, a
    judge need not accept the plaintiff’s assertion that she met
    the requirements of Rule 23 as conclusive; instead “the judge
    would receive evidence (if only by affidavit) and resolve the
    disputes before deciding whether to certify the class.”). On
    the other hand, an affidavit must be based on personal
    knowledge. Fed. R. Civ. P. 56(c)(4); Cocroft v. HSBC Bank
    USA, N.A., No. 14-1460, 
    2015 WL 4597537
    , at *4 (7th Cir.
    July 31, 2015). As we discuss in a moment, the burden is on
    the proposed plaintiff class to prove eligibility for class
    certification, and so the importance of the affidavit may not
    be significant. If the district court finds it necessary, it can
    explore the issue further upon remand.
    The district court also noted that even if PNC had busi-
    ness records to support Alvarez’s statements that PNC paid
    all of the overtime due, those records would not negate the
    evidence in the record that PNC’s management had denied
    compensation for overtime work on a number of occasions.
    The district court found that the evidence showed that PNC
    often paid overtime only after initially failing to do so. It
    then noted that if PNC willfully failed to pay overtime, PNC
    would be liable not merely for actual overtime wages, but
    also for additional damages under both Illinois law and the
    Fair Labor Standards Act. See 820 ILCS 105/12; 29 U.S.C.
    §§216, 260.
    Despite PNC’s alleged written policy and the evidence
    that PNC has paid some overtime and disciplined branch
    managers who had prevented employees from properly re-
    16                                                           No. 14-3018
    cording overtime, Bell contends that the evidence in the rec-
    ord demonstrates that PNC has an unofficial policy of fre-
    quently denying proper compensation to its non-exempt
    employees who have worked overtime. In the district court
    Bell argued that this evidence constituted a sufficient basis to
    certify a class that the plaintiff proposed as follows (in rele-
    vant part):
    All people residing in Illinois who:
    (a) Were employed by PNC Bank (or any of its
    predecessors) on a full-time basis at any point
    during the Class Period;
    (b) Were classified by PNC Bank as non-
    exempt from the overtime laws; and
    (c) Worked in one of the 27 Certified Branches.
    R. 63, p.2 (ID#929).
    Bell listed 27 branches at which she contended there was
    proof of an unofficial policy or practice of denying overtime.
    
    Id. at p.2-3
    (ID#929-930); Order, p.13.2
    Bell contended that the class-wide proceedings would re-
    solve PNC’s liability for the following common questions:
    As a question of fact, did PNC Bank have an
    unofficial policy or practice that required em-
    ployees class-wide to work off-the-clock over-
    time hours (that is, an unofficial policy or prac-
    2Bell initially sought to bring claims on behalf of a putative class of non-
    exempt employees of PNC’s Illinois retail bank branches. After a year of
    discovery, Bell moved under Rule 23 to certify a narrower class of all
    non-exempt employees at 27 Illinois branches of PNC.
    No. 14-3018                                                 17
    tice that prohibited employees from reporting
    overtime hours)?
    As a question of fact, did PNC Bank have a
    policy or practice that PNC Bank investigations
    would not fairly lead to full pay for employees
    for overtime work?
    As a mixed question of law and fact, were
    those policies and practices unlawful and
    harmful to employees in the 27 Illinois branch-
    es that are in the class?
    As a matter of law, is PNC Bank’s written poli-
    cy on overtime a defense?
    As a mixed question of law and fact, has the
    plaintiff shown that PNC Bank’s conduct was
    willful?
    As a mixed question of law and fact, has PNC
    Bank proven that its conduct was undertaken
    in good faith?
    As a question of fact, did PNC Bank’s conduct
    make it more difficult for class members to cal-
    culate the number of off-the-clock hours that
    they worked?
    As a mixed question of law and fact, when cal-
    culating overtime pay for class members, does
    the Fluctuating Workweek doctrine apply?
    R. 63, pp. 3–4 (ID#930-931).
    In the district court, PNC argued that (1) the class did not
    meet the requirements of Rule 23(a) requiring numerosity,
    commonality, typicality and adequacy of representation;
    18                                                No. 14-3018
    (2) Bell could not demonstrate that common questions of law
    or fact predominated over individual claims as required by
    Rule 23(b)(3); (3) the class was insufficiently defined and
    (4) conditional certification of a collective action under the
    Fair Labor Standards Act was not warranted.
    The district court certified a class of employees from
    twenty-six PNC branches in Illinois, excluded employees
    from two proposed branches (the DePaul branch and the
    Naperville branch) and including, instead, employees from
    another branch (the Oak Park branch). The district court
    concluded that whether PNC has an unofficial policy or
    practice that requires employees to work off-the-clock over-
    time hours was a question common to the class. The court
    below also concluded that Bell’s proposed class met the re-
    quirements for numerosity, typicality, and adequacy of rep-
    resentation, and these conclusions are not contested on ap-
    peal. Finally, the court concluded that the common issues
    predominated over any individual questions.
    On appeal, PNC asks this court to address only the fol-
    lowing two issues:
    (1) whether the district court abused its discre-
    tion in certifying a class without requiring the
    plaintiff to prove the existence of an unwritten
    policy to satisfy Rule 23’s commonality and
    predominance requirements, and
    (2) Whether the district court abused its discre-
    tion in certifying a class by treating individual-
    ized liability issues as damages issues.
    We address each of these in turn, keeping in mind that
    we review class certification orders for an abuse of discretion
    No. 14-3018                                                     19
    which can occur when a district court commits legal error or
    makes clearly erroneous factual findings. Reliable Money Or-
    der, Inc. v. McKnight Sales Co., Inc., 
    704 F.3d 489
    , 498 (7th Cir.
    2013). Our review is deferential, but exacting: “A class may
    only be certified if the trial court is satisfied, after a rigorous
    analysis, that the prerequisites” for class certification have
    been met. CE Design, Ltd. v. King Architectural Metals, Inc.,
    
    637 F.3d 721
    , 723 (7th Cir. 2011). The party seeking certifica-
    tion bears the burden of demonstrating that certification is
    proper by a preponderance of the evidence. Messner v.
    Northshore Univ. HealthSystem, 
    669 F.3d 802
    , 811 (7th Cir.
    2012).
    II.
    We addressed many of these same issues regarding
    commonality and predominance within the last few weeks
    in our decision in Chicago Teachers Union, Local 1 v. Bd. of Ed.,
    No. 14-2843, 
    2015 WL 4667904
    (7th Cir. August 7, 2015). We
    summarize our general explanation of class action require-
    ments here, and refer the reader to that decision for a more
    nuanced and detailed discussion. 
    Id. Because a
    class action is an exception to the usual rule
    that only a named party before the court can have her claims
    adjudicated, the class representative must be part of the class
    and possess the same interest and suffer the same injury.
    Wal-Mart Stores v. Dukes, 
    131 S. Ct. 2541
    , 2550 (2011); Chicago
    Teachers Union, 
    2015 WL 4667904
    , at *3. The general gate-
    keeping function of Federal Rule 23(a) ensures that a class
    format is an appropriate procedure for adjudicating a par-
    ticular claim by requiring that the class meet the following
    requirements:
    20                                                 No. 14-3018
    (1) the class is so numerous that joinder of all
    members is impracticable (numerosity);
    (2) there are questions of law or fact common
    to the class (commonality);
    (3) the claims or defenses of the representative
    parties are typical of the claims or defenses of
    the class (typicality); and
    (4) the representative parties will fairly and ad-
    equately protect the interests of the class (ade-
    quacy of representation).
    Fed. R. Civ. P. 23(a) (parentheticals ours).
    In addition to meeting these requirements, the class must
    satisfy one of the four conditions in Rule 23(b). In this case,
    the plaintiffs sought certification under Rule 23(b)(3), the
    rule that applies to class actions when the purported class
    seeks monetary damages. Federal Rule 23(b)(3) allows for
    class certification when “questions of law or fact common to
    the class members predominate over any questions affecting
    individual members” and when a “class action is superior to
    other available methods for fairly and efficiently adjudicat-
    ing the controversy.” Fed. R. Civ. P. 23(b)(3).
    A. Commonality
    Because Rule 23(a) provides a gate-keeping function for
    all class actions, ordinarily we would begin there and only
    turn our attention to Rule 23(b) after we were certain that all
    of Rule 23(a)’s requirements had been met. In this case, how-
    ever, the question of commonality and predominance over-
    lap in ways that make them difficult to analyze separately;
    consequently much of our discussion applies to both issues.
    No. 14-3018                                                    21
    See Chicago Teachers Union, 
    2015 WL 4667904
    , at *13. Never-
    theless, we focus first on teasing out the question of com-
    monality.
    Although a court need only find a single common ques-
    tion of law or fact 
    (Wal-Mart, 131 S. Ct. at 2556
    ), the mere oc-
    currence of all plaintiffs suffering as a result of a violation of
    the same provision of law is not enough. 
    Id. at 2551;
    Chicago
    Teachers Union, 
    2015 WL 4667904
    , at *4. Suchanek v. Strum
    Foods, Inc., 
    764 F.3d 750
    , 755 (7th Cir. 2014). The claims must
    depend upon a common contention that is capable of class-
    wide resolution. 
    Wal-Mart, 131 S. Ct. at 2551
    ; Chicago Teachers
    Union, 
    2015 WL 4667904
    , at *4. In this context, class-wide
    resolution means that determining the truth or falsity of the
    common contention will resolve an issue that is central to
    the validity of each claim. 
    Wal-Mart, 131 S. Ct. at 2551
    . The
    majority in Wal-Mart summed this up by stating:
    What matters to class certification … is not the
    raising of common ‘questions'—even in
    droves—but, rather the capacity of a classwide
    proceeding to generate common answers apt to
    drive the resolution of the litigation. Dissimi-
    larities within the proposed class are what
    have the potential to impede the generation of
    common answers.
    
    Id. at 2551
    (emphasis in original) (internal citations omitted).
    In Wal-Mart, the Supreme Court emphasized that it was
    looking for “some glue holding the alleged reasons for all
    those decisions together, … [such] that examination of all the
    class members’ claims for relief will produce a common an-
    swer to the crucial question why was I disfavored.” 
    Id. at 2552
    (emphasis in original).
    22                                                            No. 14-3018
    Bell proposes that the common question is as follows:
    Did PNC have an unofficial policy or practice that required
    employees class-wide to work off-the-clock overtime hours?
    PNC argues that before the district court could properly cer-
    tify a class based on the unofficial policy theory, Bell was re-
    quired to actually prove—not merely allege—the existence
    of such a policy. In this sense, PNC seems to agree that the
    question posed is common to all parties. After all, common-
    ality is satisfied when “determination of [the] truth or falsity
    will resolve an issue that is central to the validity of each one
    of the claims in one stroke.” 
    Wal-Mart, 131 S. Ct. at 2551
    .
    Why would the plaintiffs need to prove the truth of their al-
    legation that PNC has an unofficial policy of refusing to pay
    overtime if it was not central to the validity of each one of
    the claims? PNC, however, alleges that the answer to this
    question will not resolve the question “in one stroke,” but
    we disagree for reasons we will explain below when we dis-
    cuss the issue of predominance. And in fact, in a similar
    case, this Circuit has already concluded that a proposed class
    of bank employees maintained a common claim that the
    bank enforced an unlawful, unwritten policy of denying
    employees earned overtime compensation and that “[t]his
    unofficial policy is the common answer that potentially
    drives the resolution of this litigation.” Ross v. RBS Citizens,
    N.A., 
    667 F.3d 900
    , 909 (7th Cir. 2012), cert. granted, judgment
    vacated, 
    133 S. Ct. 1722
    (2013).3 PNC argues that Ross can be
    3  On appeal, the Supreme Court granted certiorari, vacated, and re-
    manded the Ross decision. See RBS Citizens, N.A. v. Ross, 
    133 S. Ct. 1722
    (2013) (“Judgment vacated, and case remanded to the United States
    Court of Appeals for the Seventh Circuit for further consideration in
    light of Comcast Corp. v. Behrend, 
    133 S. Ct. 1426
    (2013).”). The case settled
    before the Seventh Circuit could address the Supreme Court's order. See
    No. 14-3018                                                            23
    distinguished because the “district court weighed the evi-
    dence and concluded that the plaintiffs had proven the exist-
    ence of an unofficial policy.” PNC Brief, p.24 (emphasis in
    original). PNC does not cite to a particular page of the Ross
    order to support this contention, and, in fact, the district
    court’s language in Ross suggests that the mounting evi-
    dence proved not that the bank had the policy, but that the
    common question would predominate over individual is-
    sues:
    The court concludes, however, that the number
    of people making the same allegations across
    branches, managers, positions, and time frames
    has reached a point from which it may be inferred
    that the common issue of whether a company-wide
    policy existed to deny overtime will predominate
    over the variations in methods used to accom-
    plish the alleged policy. The complexity of
    proof is a problem plaintiffs will have to ad-
    dress in presenting their case on the merits but
    it does not negate predominance of the central,
    common issue.
    Tamas v. Family Video Movie Club, Inc., No. 11 C 1024, 
    2013 WL 4080649
    , at
    *6 (N.D. Ill. Aug. 13, 2013). As the district court explained, the Supreme
    Court’s order, however, does not negate the precedential authority or
    persuasiveness of the holding and reasoning in Ross, as orders granting
    certiorari, vacating, and remanding are not reversals and do not indicate
    that the lower court’s decision was erroneous. See Order, pp.19-20, n.7.
    24                                                   No. 14-3018
    Ross v. RBS Citizens, N.A., No. 09-CV-5695, 
    2010 WL 3980113
    ,
    at *6 (N.D. Ill. Oct. 8, 2010) (emphasis ours), affirmed, 
    667 F.3d 900
    (2012).
    We need not spend too much time analyzing whether the
    district court in Ross did or did not come to a conclusion
    about the merits of the question, because our case law is
    clear that such proof is not required, only that it “is capable of
    proof at trial through evidence that is common to the class ra-
    ther than individual to its members.” Messner v. Northshore
    Univ. HealthSystem, 
    669 F.3d 802
    , 818 (7th Cir. 2012).
    Cases in which low-level managers use their given dis-
    cretion to make individual decisions without guidance from
    an overarching company policy do not satisfy commonality
    because the evidence varies from plaintiff to plaintiff. See
    Wal-Mart, 
    131 S. Ct. 2553
    –55; Bolden v. Walsh Constr. Co.,
    
    688 F.3d 893
    , 896 (7th Cir. 2012). Bell, on the other hand, has
    offered evidence that the denial of overtime pay came from a
    broader company policy and not from the discretionary de-
    cisions of individual managers. Bell proffered evidence that
    she was told not to record overtime. Her branch manager,
    Letticia Flores submitted an affidavit that stated that PNC
    regularly required off-the-clock work. And at least one re-
    gional manager, Christina Romis, told branch managers not
    to record overtime worked by their employees. Moreover
    the court chronicled plentiful evidence suggesting that many
    employees worked overtime without proper compensation.
    We conclude therefore, that the question “Did PNC have
    an unofficial policy or practice that required employees
    class-wide to work off-the-clock overtime hours?” is indeed
    a common one that is capable of class-wide resolution. Our
    No. 14-3018                                                   25
    discussion of predominance that follows will add further
    fodder to this conclusion.
    B. Predominance
    Even after a proposed class has met the requirements of
    Rule 23(a), however, a Rule 23(b)(3) class must also demon-
    strate that “questions of law or fact common to the class
    members predominate over any questions affecting individ-
    ual members.” Fed. R. Civ. P. 23(b)(3). (The Rule 23(b)(3) re-
    quirement regarding superiority is not at issue in this ap-
    peal). The burden is on the plaintiffs to demonstrate, by a
    preponderance of the evidence, that they have met each re-
    quirement of Rule 23. 
    Messner, 669 F.3d at 811
    .
    To support its contention that Bell was required to actual-
    ly prove—not merely allege—the existence of such a policy,
    PNC cites to the part of the Wal-Mart decision that states,
    that “a party seeking class certification … must be prepared
    to prove that there are in fact sufficiently numerous parties,
    common questions of law or fact, etc.” PNC Brief, p.17, citing
    
    Wal-Mart, 131 S. Ct. at 2551
    (emphasis by PNC).
    PNC, however, has conflated two inquiries. A proposed
    class of plaintiffs must prove the existence of a common ques-
    tion, and one that predominates over individual questions,
    but it need not prove that the answer to that question will be
    resolved in its favor. On this point, the Supreme Court in
    Amgen could not have been more clear: “Rule 23(b)(3) re-
    quires a showing that questions common to the class predom-
    inate, not that those questions will be answered, on the mer-
    its, in favor of the class.” Amgen Inc. v. Ct. Ret. Plans and
    Trust Funds, 
    133 S. Ct. 1184
    , 1191 (2013). “[T]he office of a
    Rule 23(b)(3) certification ruling is not to adjudicate the case;
    26                                                   No. 14-3018
    rather, it is to select the method best suited to adjudication of
    the controversy fairly and efficiently.” 
    Id. at 1191;
    Chicago
    Teachers Union, 
    2015 WL 4667904
    , at *14. The Seventh Circuit
    has been as unequivocally clear as the Supreme Court in
    Amgen, warning that “In conducting this analysis, the court
    should not turn the class certification proceedings into a
    dress rehearsal for the trial on the merits.” See 
    Messner, 669 F.3d at 811
    ; See also Schleicher v. Wendt, 
    618 F.3d 679
    , 685
    (7th Cir. 2010); Kohen v. Pac. Inv. Mgmt. Co., 
    571 F.3d 672
    , 677
    (7th Cir. 2009); Payton v. County of Kane, 
    308 F.3d 673
    , 677
    (7th Cir. 2002). In sum, the proposed class must prove com-
    pliance with Rule 23, and need not prove the merits of the
    underlying common question. The very language of the quo-
    tations from the Supreme Court and this court upon which
    the plaintiff relies unequivocally support this notion. The
    court in Wal-Mart stated that, “A party seeking class certifi-
    cation must affirmatively demonstrate his compliance with
    the Rule [23]—that is, he must be prepared to prove that
    there are in fact sufficiently numerous parties, common
    questions of law or fact, etc.” 
    Wal-Mart, 131 S. Ct. at 2551
    (emphasis ours). The language of our decision in Messner is
    the same: “[p]laintiffs bear the burden of showing that a
    proposed class satisfies the Rule 23 requirements. 
    Messner, 669 F.3d at 811
    . (emphasis ours).
    Thus, the default rule is that a court may not resolve mer-
    its questions at the class certification stage. “Rule 23 grants
    courts no license to engage in free-ranging merits inquiries
    at the certification stage. Merits questions may be considered
    to the extent—but only to the extent—that they are relevant
    to determining whether the Rule 23 prerequisites for class
    certification are satisfied. 
    Amgen, 133 S. Ct. at 1194
    –95. See
    also Halliburton Co. v. Erica P. John Fund, Inc., 
    134 S. Ct. 2398
    ,
    No. 14-3018                                                   27
    2407 (2014) (finding that price impact evidence “does not
    bear on the question of predominance under Rule 23(b)(3),
    and is thus appropriately considered only on the merits after
    the class has been certified.”); 
    Schleicher, 618 F.3d at 685
    (7th
    Cir. 2010) (“a court may take a peek at the merits before cer-
    tifying a class, … [but] this peek must be limited to those as-
    pects of the merits that affect the decisions essential under
    Rule 23.”).
    This does not mean, however, that on issues affecting
    class certification, a court must simply assume the truth of
    the matters as asserted by the plaintiff. If there are material
    factual disputes that bear on the requirements for class cer-
    tification, the court must “receive evidence if only by affi-
    davit and resolve the disputes before deciding whether to
    certify the class.” Szabo v. Bridgeport Machs., Inc., 
    249 F.3d 672
    , 676 (7th Cir. 2001). And so, for example, a judge might
    need to determine if a class really has 10,000 members as a
    plaintiff alleges or only 10, as alleged by defendants. 
    Id. This is
    what the Wal-Mart court meant when it said that Rule 23
    “does not set forth a mere pleading standard.” 
    Wal-Mart, 131 S. Ct. at 2551
    . Plaintiffs bear the burden of showing that
    a proposed class satisfies the Rule 23 requirements, but they
    need not make that showing to a degree of absolute certain-
    ty. 
    Messner, 669 F.3d at 811
    .
    In other words, a court weighing class certification must
    walk a balance between evaluating evidence to determine
    whether a common question exists and predominates, with-
    out weighing that evidence to determine whether the plain-
    tiff class will ultimately prevail on the merits. The distinction
    between proving evidence of a common question that pre-
    dominates and proving evidence of the merits can be
    28                                                  No. 14-3018
    demonstrated by comparing two opinions from this Circuit.
    In Mejdrech v. Met-Coil Sys. Corp., 
    319 F.3d 910
    , 911 (7th Cir.
    2003), the plaintiffs proposed a common question as to
    whether the defendant leaked chemicals in violation of law,
    and whether those chemicals reached the soil and ground-
    water beneath the homes of the class members. The plaintiffs
    in that case presented a theory backed by credible evidence
    that there was a single source of contamination by a single
    defendant and the claim was that a container containing
    harmful chemicals leaked and contaminated the water sup-
    ply, thus harming the plaintiffs. 
    Id. at 911.
    The plaintiffs did
    not prove that the container leaked, nor that the ground wa-
    ter was contaminated, but rather presented sufficient evi-
    dence of a theory that was common to the class and predom-
    inated over individual issues. 
    Id. at 911–12.
    In contrast, in
    Parko, property owners attempted to certify a class of home-
    owners who claimed that the groundwater under their
    homes had been contaminated by chemicals from a particu-
    lar defendant and its predecessors and subsidiaries. Parko v.
    Shell Oil Co., 
    739 F.3d 1083
    , 1084 (7th Cir. 2014). But unlike in
    Mejdrech, the plaintiffs did not set forth any evidence that
    any particular defendant was the source of the pollution,
    that the groundwater was even polluted, that it provided a
    source of water for the plaintiffs, and that the plaintiffs expe-
    rienced any diminution in property value. 
    Id. at 1085–86.
    In
    other words, it was “not even clear that the plaintiffs had
    identified a common issue.” 
    Id. at 1086
    (emphasis in original).
    In this case the district court sifted through voluminous
    evidence that pointed to a common question as to whether
    PNC had an unwritten practice or policy that required em-
    ployees class-wide to work off-the-clock overtime hours. In
    fact, the district court went so far as to lean toward an analy-
    No. 14-3018                                                 29
    sis of the merits stating that “there is evidence in the record
    to the contrary [of PNC’s claim] that supports Bell’s conten-
    tion that PNC has an ‘unofficial policy or practice that re-
    quired employees class-wide to work off-the-clock overtime
    hours.’” Order, p.17. Bell and Flores both stated that Christi-
    na Romis, a PNC regional manager, told them that PNC had
    a policy against paying for overtime work. R. 65, apx.3, 10.
    PNC’s investigation reports reveal that employees from at
    least six other branches alleged that their managers told
    them that PNC had an unofficial policy against compensat-
    ing overtime work. See R. 66, apx.364 (Buffalo Grove); R. 67,
    apx.599 (Elgin); R. 66, apx.475 (87th & Cottage Grove); R. 67,
    apx.623 (Loves Park); R. 67, apx.652–53 (North Aurora); R.
    67, apx.738, 731 (Wheaton–Danada).
    PNC makes a convincing argument that the answer to
    Bell’s alleged common question will not resolve a key issue
    for all plaintiffs. PNC asserts that if the answer to the ques-
    tion “Does PNC have an unofficial policy of denying over-
    time pay?” is “no,” then over 250 employees at 26 different
    branches are left with nothing in common and each class
    member must prove his or her claim individually. As the
    court noted in Amgen, a common question predominates
    over individual claims if “a failure of proof on the [common
    question] would end the case” and the whole class “will
    prevail or fail in unison.” 
    Amgen, 133 S. Ct. at 1191
    . And, in
    the context of commonality, the Wal-Mart court stated that a
    common question is one in which the answer to the question
    “will resolve an issue that is central to the validity of each
    one of the claims in one stroke.” Wal-Mart, 131 at 2551.
    If, to make a prima facie showing on a given
    question, the members of a proposed class will
    30                                                No. 14-3018
    need to present evidence that varies from
    member to member, then it is an individual
    question. If the same evidence will suffice for
    each member to make a prima facie showing,
    then it becomes a common question.
    
    Messner, 669 F.3d at 815
    .
    PNC argues that if a court determines that PNC does not,
    in fact, have the alleged unwritten policy, then “resolution of
    that issue would have no bearing whatsoever on these indi-
    vidual claims.” (PNC reply brief, p.12). Each class member
    who chooses to bring a claim for unpaid overtime, PNC ar-
    gues, would still be required to prove each element of the
    off-the-clock claim: that they worked overtime, that their
    manager knew or had reason to know of the work, and that
    it caused them to work more than 40 hours in a week.
    PNC, however, misunderstands the nature of the pro-
    posed class’ claim. The class’ claim is that they have been
    denied overtime pay because of an unofficial policy that ei-
    ther prohibited or discouraged PNC employees from seek-
    ing overtime pay. If, on the merits, the district court were to
    determine that there was no such unofficial policy (and in-
    deed it is possible, as we make no contentions about the pro-
    spects of victory on the merits, see Chicago Teachers Union,
    
    2015 WL 4667904
    , at *14) then all of the class members’
    claims would fail in unison. They may have an individual
    claim that remains, but it would be based on an entirely dif-
    ferent legal theory. Instead, the individual claim would be
    one by individual Employee A alleging that her manager,
    Manager B, forced her to work off-the-clock without pay.
    No. 14-3018                                                  31
    Thus the class claim that PNC had an unofficial policy
    that left it liable under the Fair Labor Standards Act and Illi-
    nois law would prevail or fail for the class as a whole. “In no
    event will the individual circumstances of particular class
    members bear on the inquiry.” 
    Amgen, 133 S. Ct. at 1191
    . It
    makes no difference to the class claim as a whole how many
    hours of off-the-clock work each employee worked or the
    intent of the manager. These would be issues for the portion
    of the suit in which individual damages are assessed—an
    issue we will discuss below. In other words, “[a] failure of
    proof on the common question … ends the litigation and thus
    will never cause individual questions of reliance or anything
    else to overwhelm questions common to the class.” 
    Amgen, 133 S. Ct. at 1196
    .
    It is true that the alleged violations were eventually
    “cured” for many employees—in many cases PNC eventual-
    ly paid employees for overtime work, or disciplined or ter-
    minated non-complying managers. But PNC’s efforts to cure
    errors does not resolve all of the questions regarding liabil-
    ity. Even when cured, the evidence could leave a court re-
    solving the case on the merits to resolve whether (a) the ef-
    forts to cure were necessary because of a previous unwritten
    policy, (b) a good faith violation absolved PNC of liability,
    (3) the violations were willful and thus exposed PNC to
    greater liability, (4) PNC’s written policy is a defense.
    The rules for class certification work as well in PNC’s fa-
    vor as they do in Bell’s. Class certification “provides a single
    proceeding in which to determine the merits of the plaintiffs’
    claims, and therefore protects the defendant from incon-
    sistent adjudications.” 5 Moore's Federal Practice §23.02
    (1999). If the district court finds that PNC did not have the
    32                                                    No. 14-3018
    alleged unwritten policy, then all of the plaintiffs’ claims fail
    and the class would be decertified.
    This is not an unknown process. When the class is decer-
    tified, the suit becomes an individual action, leaving the in-
    dividual plaintiffs to file their claims on their own. See, e.g.,
    Culver v. City of Milwaukee, 
    277 F.3d 908
    , 913–14 (7th Cir.
    2002). Rule 23(e) which requires that notice of a proposed
    dismissal be given to all members of the class anticipates just
    such a scenario so that class members know that the statute
    of limitations, that had been tolled during the pendency of
    the class action, will begin running again. 
    Id. at 914.
    C. Individualized relief
    The fact that the plaintiffs might require individualized
    relief or not share all questions in common does not pre-
    clude certification of a class. Chicago Teachers Union, 
    2015 WL 4667904
    , at *11; In re IKO Roofing Shingle Prods. Liab. Litig.,
    
    757 F.3d 599
    , 602 (7th Cir. 2014) (commonality of damages is
    not required in class action suit); Pella Corp. v. Saltzman, 
    606 F.3d 391
    , 394 (7th Cir. 2010) (the need for individual proof
    alone does not necessarily preclude class certification); Ar-
    reola v. Godinez, 
    546 F.3d 788
    , 801 (7th Cir. 2008); Allen v. Int’l
    Truck and Engine Corp., 
    358 F.3d 469
    , 471–72 (7th Cir. 2004).
    Rule 23(b) requires only common evidence and common
    methodology, not common results. Messner, 
    669 F.3d 802
    .
    “Neither Rule 23 nor any gloss that decided cases have add-
    ed to it requires that every question be common. It is routine
    in class actions to have a final phase in which individualized
    proof must be submitted.” 
    Suchanek, 764 F.3d at 756
    . See also
    Johnson v. Meriter Health Servs. Employee Ret. Plan, 
    702 F.3d 364
    , 369 (7th Cir. 2012) (In a 23(b)(2) class action, “a declara-
    tion is a permissible prelude to a claim for damages.”).
    No. 14-3018                                                  33
    If the class prevails in demonstrating that PNC had an
    unofficial policy or practice that required employees class-
    wide to work off-the-clock overtime hours, scores of sepa-
    rate trials might be necessary to determine which class
    members were actually adversely affected by the policy and
    if they were, what loss each class member sustained. At least
    it will not be necessary in each of those trials to determine
    whether PNC had an illegal policy of denying pay for off-
    the-clock work. This is precisely parallel to our conclusion in
    McReynolds v. Merrill Lynch, Pierce, Fenner & Smith, Inc.,
    
    672 F.3d 482
    , 491 (7th Cir. 2012) (“[S]hould the claim of dis-
    parate impact prevail in the class-wide proceeding, hun-
    dreds of separate trials may be necessary to determine which
    class members were actually adversely affected by one or
    both of the practices and if so what loss each class member
    sustained … But at least it wouldn’t be necessary in each of
    those trials to determine whether the challenged practices
    were unlawful.”) See also Jamie S. v. Milwaukee Pub. Sch.,
    
    668 F.3d 481
    , 505–06 (7th Cir. 2012) (Rovner, J. dissenting)
    (describing a second step process in class action litigation in
    which adversarial proceedings were held to determine
    which potential class members had been harmed by an ille-
    gal employment rule).
    If the district court finds that PNC has an official policy
    of denying overtime pay, it is likely that a certain number of
    class members were not harmed by the policy because they
    never worked beyond their forty-hour week. This alone does
    not preclude class certification. Plaintiffs need not prove that
    every member of the proposed class has been harmed before
    the class can be certified. 
    Suchanek, 764 F.3d at 757
    . A class
    will often include persons who have not been injured by the
    defendant's conduct, but this possibility or, indeed inevita-
    34                                                  No. 14-3018
    bility, does not preclude class certification. 
    Kohen, 571 F.3d at 677
    (7th Cir. 2009). “If very few members of the class were
    harmed, that is an argument not for refusing to certify the
    class but for certifying it and then entering a judgment that
    would largely exonerate” the defendant. 
    Suchanek, 764 F.3d at 757
    –58 (internal citations omitted). “If, however, a class is
    defined so broadly as to include a great number of members
    who for some reason could not have been harmed by the de-
    fendant’s allegedly unlawful conduct, the class is defined too
    broadly to permit certification.” 
    Messner, 669 F.3d at 824
    . The
    important distinction then is “between class members who
    were not harmed and those who could not have been
    harmed.” 
    Id. at 825.
    For example, in this case, managerial
    employees who are exempt from overtime hour laws could
    not have been harmed by the policy. Those employees who
    could have been harmed by the policy, but were, in fact, not
    harmed, can be excluded during a later determination on the
    merits.
    For example, as described in Jamie S., after this court de-
    clared that United Airlines “no married female flight at-
    tendant” rule violated Title VII’s ban on sex discrimination,
    any woman who had lost her position because of the rule
    became entitled to relief. But these class members were diffi-
    cult to identify. Many had silently resigned their positions in
    contemplation of the rule rather than formally protesting or
    waiting for the airline to discharge them, so there was no
    record as to why any particular female flight attendant left.
    Consequently, adversarial hearings were held before special
    masters in order to establish whether each claimant in fact
    left her position because of the illegal rule. See Jamie 
    S., 668 F.3d at 505
    –06 (Rovner, J. dissenting) (describing facts
    and processes from McDonald v. United Air Lines, Inc., 587
    No. 14-3018                                                     
    35 F.2d 357
    (7th Cir. 1978) and Sprogis v. United Air Lines, Inc.,
    
    444 F.2d 1194
    (7th Cir. 1971)).
    PNC assumes that Rule 23 requires every class action to
    resolve all liability issues for every class member. “Rule
    23(b)(3), however, does not require a plaintiff seeking class
    certification to prove that each element of her claim is sus-
    ceptible to classwide proof.” 
    Amgen, 133 S. Ct. at 1196
    . And
    our cases demonstrate that commonality as to every issue is
    not required for class certification. In Suchanek, we deter-
    mined that the question as to whether coffee packaging mis-
    led consumers was common despite the fact that individual
    consumers saw different packaging and may have been
    harmed to varying extents or not at all. 
    Suchanek, 764 F.3d at 757
    . In IKO, we upheld certification of a class despite the fact
    that different plaintiffs had different experiences with the
    sub-standard roofing tiles. 
    IKO, 757 F.3d at 601
    –02. And in
    Pella, we certified a class despite the fact that plaintiffs’ expe-
    riences with defective Pella windows may have been caused
    by many individual variances such as specific conditions
    and installation, noting that the fact that class members still
    must prove individual issues of causation and damages
    would not prevent class certification. Pella 
    Corp., 606 F.3d at 394
    .
    It is true that some employees have been made whole as
    a result of the PNC investigation. It is entirely possible,
    however, that these employees were still injured and could
    collect damages beyond their actual wages. Under both Illi-
    nois law and the Fair Labor Standards Act, a good faith vio-
    lation does not absolve the employer of liability. 820 ILCS
    105/12; 29 U.S.C. §§216, 260. Nor does an agreement between
    the employee and the employer to work for less than the re-
    36                                               No. 14-3018
    quired wage. 820 ILCS 105/12(a). Both Illinois law and the
    Fair Labor Standards Act distinguish between willful viola-
    tions and violations made in good faith for purposes of de-
    termining the extent of an employer’s liability. 820 ILCS
    105/12; 29 U.S.C. §§216, 260. Whether or not PNC had an un-
    lawful policy denying required compensation is relevant to
    whether PNC willfully denied overtime pay to its employ-
    ees, or whether such denials occurred despite a good faith
    attempt to comply with the statute. These questions are, in
    turn, relevant to the extent of damages under Illinois law
    and the Fair Labor Standards Act. See 820 ILCS 105/12;
    29 U.S.C. §§216, 260. In short, many issues remain unan-
    swered and the district court was correct to conclude that a
    class action would be an appropriate and efficient pathway
    to resolution.
    The district court properly considered each of the issues
    and did not abuse its discretion in certifying the class. The
    decision of the district court is therefore AFFIRMED.