Accrued Expenses and Other Liabilities (Details) - USD ($) $ in Thousands	Aug. 31, 2015	May. 31, 2015	Nov. 30, 2014	Aug. 31, 2014	May. 31, 2014	Nov. 30, 2013
Payables and Accruals [Abstract]
Employee compensation and related benefits	$ 110,061		$ 113,875
Inventory-related liabilities	129,874		52,009
Self-Insurance and Other Litigation Liabilities	94,303		89,606
Accrued interest payable	76,108		63,275
Warranty liability	48,642	$ 46,472	45,196	$ 42,396	$ 40,937	$ 48,704
Customer Deposits, Current	18,436		15,197
Real estate and business taxes	11,935		13,684
Other	7,799		17,040
Total	$ 497,158		$ 409,882