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Defined Contribution Plans | 12 Months Ended
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May 31, 2014
Defined Contribution Plans [Abstract] |
Defined Contribution Plans | Defined Contribution Plans Cintas' Partners' Plan ("the Plan") is a non-contributory profit sharing plan and Employee Stock Ownership Plan ("ESOP") for the benefit of substantially all U.S. Cintas employee-partners who have completed one year of service. The Plan also includes a 401(k) savings feature covering substantially all U.S. employee-partners. The amounts of contributions to the Plan and ESOP, as well as the matching contribution to the 401(k), are made at the discretion of the Board of Directors. Total contributions, including Cintas' matching contributions, which approximate cost, were $33.7 million, $28.4 million and $26.0 million for the fiscal years ended May 31, 2014, 2013 and 2012, respectively. Cintas has a non-contributory deferred profit sharing plan ("DPSP"), which covers substantially all Canadian employee-partners. In addition, a registered retirement savings plan ("RRSP") is offered to those employees. The amounts of contributions to the DPSP, as well as the matching contribution to the RRSP, are made at the discretion of the Board of Directors. Total contributions, which approximate cost, were $1.6 million, $1.4 million and $1.3 million for the fiscal years ended May 31, 2014, 2013 and 2012, respectively. Cintas has a supplemental executive retirement plan ("SERP") subject to Section 409A of the Internal Revenue Code for the benefit of certain highly compensated Cintas employee-partners. The SERP allows participants to defer the receipt of compensation which would otherwise become payable to them. Matching contributions are made at the discretion of the Board of Directors. Total matching contributions were $6.0 million, $4.7 million and $5.7 million for the fiscal years ended May 31, 2014, 2013 and 2012, respectively.

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- Definition The entire disclosure for pension and other postretirement benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -URI http://asc.fasb.org/topic&trid=2235017 + Details
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