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Other Assets (Details) (USD $)
In Thousands, unless otherwise specified
Feb. 28, 2014
Nov. 30, 2013
Other Assets [Abstract]    
Cash surrender value of insurance contracts $ 69,443 $ 68,534
Debt issuance costs 26,103 27,366
Property and equipment, net 9,571 8,460
Prepaid expenses 5,370 2,716
Total $ 110,487 $ 107,076