Income Taxes (Accrued Interests and Penalties) (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2015	Nov. 30, 2014
Accrued Interests and Penalties [Roll Forward]
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued, beginning of year	$ 31,469	$ 19,124
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	33,841	13,956
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued, end of year	65,145	31,469
Settlement Of Certain State Tax Nexus [Member]
Accrued Interests and Penalties [Roll Forward]
Decreases In Accrued Interest And Penalties	$ (165)	$ (1,611)