Commitments and Contingencies (Details) - Line of Credit [Member] $ in Millions |
9 Months Ended |
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Feb. 29, 2016
USD ($)
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| JP Morgan Chase Bank, N.A. [Member] | |
| Lines of credit | |
| Amount available | $ 350 |
| Expiration date | Feb. 27, 2017 |
| Bank of America, N.A. [Member] | |
| Lines of credit | |
| Amount available | $ 250 |
| Expiration date | Feb. 28, 2017 |
| PNC Bank, National Association [Member] | |
| Lines of credit | |
| Amount available | $ 150 |
| Expiration date | Feb. 27, 2017 |
| Wells Fargo Bank, National Association [Member] | |
| Lines of credit | |
| Amount available | $ 150 |
| Expiration date | Feb. 27, 2017 |
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- References No definition available.
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- Definition Date the credit facility terminates, in CCYY-MM-DD format. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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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