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Commitments and Contingencies (Details Textual) (USD $)
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12 Months Ended | |||
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May 31, 2013
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May 31, 2012
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May 31, 2011
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Jun. 21, 2013
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| Commitments and Contingencies (Textual) [Abstract] | ||||
| Lines of credit amount outstanding | $ 0 | |||
| Credit facility, maximum borrowing capacity | 500,000,000 | |||
| Irrevocable standby letters of credit amount available | 36,800,000 | 46,800,000 | ||
| Expiration date range of letters of credit | July 2013 and December 2013 | |||
| Irrevocable stand by letters of credit amount outstanding | 0 | |||
| Rent expense | 39,900,000 | 43,000,000 | 45,400,000 | |
| Minimum future payment obligations under purchase orders and contractual arrangements | 89,100,000 | |||
| Commitments to purchase capital assets | $ 9,900,000 | |||
| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Expiry date range of letters of credit. No definition available.
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- Definition
Irrevocable standby letters of credit amount available. No definition available.
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- Definition
Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments. No definition available.
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- Definition
Rental expense incurred for leased assets including furniture and equipment which has not been recognized in costs and expenses applicable to sales and revenues; for example, cost of goods sold or other operating costs and expenses. No definition available.
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- Definition
The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. No definition available.
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- Definition
Amount borrowed under the credit facility as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of the unrecorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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