We return in this appeal to the dispute between R. J. Corman Derailment Services, LLC, and Local 150 of the International Union of Operating Engineers over the arbitrability of certain wage grievances that arose under an expired collective bargaining agreement. When the case was last here, we found that the district court’s entry of judgment on the pleadings compelling arbitration was premature, because Local 150 had not yet filed its answer to Corman’s complaint. See
R.J. Corman Derailment Servs. v. Int’l Union of Operating Eng’rs, Local 150,
I
Corman provides emergency services for railroads and industries that operate their own railroad facilities. Its services include removing derailed cars, repairing damaged sections of track and cleaning up any hazardous spills caused by a derailment. Between derailments, Corman’s employees work at its facilities, where it stores and maintains equipment used at the derailment sites. From 1992 through 1999, Local 150 served as the exclusive bargaining representative for Corman’s employees at its Gary, Indiana, facility. During this time, Corman and Local 150 were parties to three collective bargaining agreements (CBAs), the last of which was in effect from December 19, 1996, through December 19, 1999. Although the parties began negotiations for a new agreement, these efforts ended without success in early June 2000. At the end of June, Corman closed its Gary facility and terminated those employees.
According to Local 150, the disputes it wishes to submit to arbitration came to its attention during the negotiations for a successor agreement. In February 2000, Corman provided the Union with payroll records listing bargaining unit employees *524 at the company from late December 1998 through late December 1999. After reviewing these documents, Dave Fagan, Local 150’s Organizer and Business Representative, suspected that Cormаn had not complied with the wage provisions of the 1996 CBA. The CBA obligated Corman to pay bargaining unit members according to a three-tiered hourly wage schedule that varied by type of work: the regular wage rate was $12.35; the straight-wreck work rate was $16.25; and the overtime wreck rate was $22.65. This schedule did not, however, apply to “casual employees,” which the CBA defined as “employees hired for a specific customer project.” While the CBA did not ban casual employees from future employment on customer projects, no casual employee could be employed to reduce, or prevent an increase in, the hours worked of any bargaining unit employee or as a means to prevent an increase in the number of such employees. An employee lost the status of a casual employee if she was retained for work that could be performed only by a regular employee. In that case, Corman was required to pay the former casual worker according to the CBA’s wage provisions. From the payroll records, Fagan believed that Corman had underpaid certain employees by improperly classifying them as casual emрloyees.
At the time that Fagan discovered these wage discrepancies, no employee had complained about them to the Union or filed a grievance with Corman. A particularly alert employee might have done so, given the fact that Corman paid its employees either weekly or bi-weekly and a pay stub detailing the number of hours worked and the total amount paid aсcompanied each paycheck. Fagan informed Steve Cisco, Local 150’s Secretary, of his suspicions, but he did not file a grievance at that time. Instead, on February 22, 2000, with Cisco’s authorization, Fagan requested that a wage audit be conducted in conjunction with the fringe benefits audit the Trustees of the Midwest Operating Engineers Pension and Benefits Funds (The Funds) had already initiated. (The Funds suspected that Cоrman had failed to make the required contributions to its ERISA plan, again by manipulating who was a “casual” employee and who was regular; they sued to recover the alleged shortfalls. See
Dugan v. R.J. Corman R.R. Co.,
As we noted in Corman I, Article IX of the 1996 CBA prоvides a four-step procedure for filing grievances:
Step one requires an aggrieved employee orally to notify her union steward and her supervisor of a grievance within ten working days of the grievance’s occurrence. If after five additional working days the grievance is not resolved, step two requires the employee to submit a signed copy of her grievance in writing to the Union’s Businеss Representative and to Corman or its representative. Corman then has five working days to respond in writing to the grievance. If this additional step fails to resolve the employee’s grievance, step three provides for the submission of the complaint to a grievance committee. If within ten additional working days the committee does not resolve the grievance, the aggrieved emрloyee may proceed to step four and submit a written demand for arbitration. This written demand must be made within forty-five days of the initial occurrence.
On September 12, 2001, Local 150 sent a letter to Corman stating that it was invok
*525
ing step two of the grievance procedure for wage underpayments of certain employees. Corman responded a week later, asserting that it was not obligated tо entertain or respond to any claimed grievance because there was no agreement in effect between the parties. It also alleged that Local 150 had not followed the CBA’s grievance procedure and that the letter was “ineffective to initiate the long-expired grievance process.” On October 30, Local 150 formally demanded arbitration pursuant to step four of the grievance procedure. Corman responded on November 7, refusing to arbitrate the dispute because the grievance was untimely and the Union did not follow the grievance procedures. On January 18, 2002, Corman filed this action in district court under Section 301 of the Labor Management Relations Act, 29 U.S.C. § 185
et seq.,
seeking declaratory and injunctive relief from Local 150’s demand for arbitration. Beforе Local 150 filed its answer to the complaint, the court granted judgment on the pleadings in favor of Local 150. Corman appealed, and we concluded that the judgment ordering arbitration was premature. See
Corman I,
On remand, the district court granted summary judgment in favor of Corman. It found that although the events triggering the grievances occurred before the CBA expired (which standing alone supported arbitrability), the dispute was nonetheless not arbitrable because Loсal 150 did not file the grievances within a reasonable time after the expiration of the agreement. Critically, Local 150 failed to present evidence showing that the employees did not know of the underpayments at the time they were paid. Alternatively, even if the employees could not have grieved the wage discrepancies as they arose, Local 150 could have filed the grievances in February 2000, when Fagan reviewed Cor-man’s payroll records. Finally, the court reasoned that even if it was rational for Local 150 to delay the filing of the grievances until after the wage audit report, the two-month wait failed to comply with the timing requirements set forth in the CBA. Under the CBA, the parties intended a request for arbitration to be brought within 45 days after discovery of the grievance. Any way onе looked at the matter, the district court concluded, Local 150 waited too long.
II
We review the district court’s grant of summary judgment
de novo.
See
Int’l Bhd. of Elec. Workers, Local 176 v. Balmoral Racing Club, Inc.,
Local 150 argues that a court’s inquiry into the arbitrability of a post-expiration grievance begins and ends with Litton. The rule in its view is simple: where the dispute arises under the agreement, it is presumed to be subject to the agreement’s arbitration provision. At that point, everything else is for the arbitrator to decide. In particular, Local 150 argues that the question whether a grievance is timely is a procedural question within the arbitrator’s competence. Thus, it concludes, the district court erred as a matter of law when it found that the underlying dispute was not arbitrable because it was not filed within a reasonable amount of time.
In
Nolde,
the Supreme Court hinted at the possibility that the untimely assertion of a post-expiration grievance extinguishes the presumption of arbitrability.
Local 150 contends that
Kennicott
is inapplicable because it involved a grievancе that was triggered by events occurring after the contract’s expiration whereas here, the wage underpayments occurred during the life of the contract. It argues that we should follow the Ninth Circuit’s decision in
Goss Golden W. Sheet Metal, Inc. v. Sheet Metal Workers Int’l Union, Local 104,
This is a valid concern. Requiring a grievance to be asserted within a set time after the contract’s expiration could lead to inequitable results if one party acted to make it difficult for the other to discover the breach of the contract until after the prescribed time period had run out. It would also be inconsistent with
Nolde,
whiсh was meant to prevent a party from evading its contractual obligation to arbitrate by terminating the contract before a grievance could be filed.
Nolde,
In the absence of evidence of abuse (which we do not see here), we conclude that a post-expiration grievance must be asserted within a reasonable time after its discovery- — -within a time, as we put it in Kennicott, when it is still logical to apply the Nolde presumption. One factor that sheds some light on the time period that is reasonable is the language of the CBA itself. Collective bargaining agreements generally call for grievances to be brought within a limited time period. The 1996 CBA between Local 150 and Corman is no exception: it establishes a 45-day period in which to invoke the grievance process, starting with the date when the events triggering the grievance occurred. The parties did not intend an unlimited time to file a grievance during the life of the contract. It would be incongruous if the same grievance were not subject to any time limitations simply because it came to light after the contract had expired.
Understood in this light, the district court’s inquiry into the timeliness of the grievances was not a usurpation of the arbitrator’s role. It was instead part of the process of detеrmining whether there was an agreement to arbitrate this set of grievances at all. This distinguishes the present case from
Howsam v. Dean Witter Reynolds, Inc.,
*528 On the ultimate question of what time period is reasonable here, the parties offer only extreme positions. Corman urges us to apply the 45-day period set by the grievance procedure in the agreement itself, and it would prefer that we find that the period began running at the time the employees were paid. Local 150 counters that the Illinois limitation period for breach of written contracts, see 735 ILCS 5/13-206, providing for a 10-year period, should apply.
We find neither of these positions persuasive. Accepting Corman’s position would require a court to delve too deeply into questions of the parties’ compliance with the terms of the agreement, which are more properly for the arbitrator. See
John Wiley & Sons, Inc. v. Livingston,
In the context of an expired CBA, as we have already said, there are powеrful reasons to avoid a rigid limitations period and to require only action within a reasonable time. Nonetheless, the fact that both the CBA and labor law in general favor prompt resolution of labor disputes provides guidance about what would be reasonable.
Corman contends that the employees could have brought the grievances as they occurred because it was relatively straightforward to calculate their wage rates from the pay stubs. In order to prevail, however, it was up to Corman to show that casual employees would have known that they were entitled to be paid at a higher wage rate. Their pay stubs allowed them only to check the wages they were paid against the wages Corman had promised to pay them as casual employеes. The fact that they were not members of the Union meant that they did not have access to the CBA or to Union representatives and could not have known that Corman had classified them improperly. And without that knowledge, the employees could not have ascertained that they were being underpaid solely from their paychecks.
Local 150 argues that the time period should start to run frоm July 25, 2001, the date when the auditor issued its report confirming Fagan’s suspicions about the wage underpayments. It urges that it would have been irresponsible to file a grievance any sooner, without confirming that the problem existed. The district court rejected this argument and noted that there was “no reason why Local 150, armed with payroll information in February 2000, could not have initiated the grievance proсess at that time and put Corman on notice that it was seeking redress for alleged wage underpayments.” We agree. The fact that the payroll records might not have been enough to prove *529 conclusively that the contract was violated does not excuse Local 150’s delay; in fact, even the audit report did not go that far. The payroll records more than sufficed to put the Uniоn on notice of the possible violation: they contained the wage rates, hours worked and wages paid for each employee in 1999. The wage audit report provided the same information, except that it also included the first eight months from 2000.
Ill
Because Local 150 filed these grievances on September 12, 2001, more than 18 months after their discovery in February 2000 and long after the expiration of the CBA containing the agreement to arbitrate, we find that the delay was unreasonable. We therefore AffiRm the judgment of the district court.
