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Commitments and Contingencies (Details) (USD $)
In Millions, unless otherwise specified |
12 Months Ended |
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May 31, 2012
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JP Morgan Chase Bank, N.A. [Member]
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| Lines of credit | |
| Amount available | $ 350 |
| Expiration date | February 2013 |
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Bank of America, N.A. [Member]
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| Lines of credit | |
| Amount available | 250 |
| Expiration date | February 2013 |
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PNC Bank, National Association [Member]
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| Lines of credit | |
| Amount available | 150 |
| Expiration date | February 2013 |
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Wells Fargo Bank, National Association [Member]
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| Lines of credit | |
| Amount available | $ 150 |
| Expiration date | February 2013 |
| X | ||||||||||
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- Details
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- Definition
Reflects when the credit facility terminates, which may be presented in a variety of ways (year, month and year, day, month and year, quarter). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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