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Commitments and Contingencies (Details Textual) (USD $)
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6 Months Ended | |
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Nov. 30, 2012
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May 31, 2012
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| Commitments and Contingencies (Textual) | ||
| Lines of credit amount outstanding | $ 0 | |
| Irrevocable standby letters of credit amount available | 38,800,000 | 46,800,000 |
| Expiration date range of letters of credit | July 2013 and December 2013 | |
| Irrevocable stand by letters of credit amount outstanding | 0 | |
| Commitments to purchase capital assets | $ 5,200,000 | $ 7,600,000 |
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- Details
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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
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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