Income Taxes (Provisions For Income Taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2015	Nov. 30, 2014	Nov. 30, 2013
Current:
Federal	$ 18,418	$ 7,796	$ 7,639
State	1,526	765	1,583
Foreign	3,056	4,751	2,165
Total current	23,000	13,312	11,387
Deferred:
Federal	2,199	14,783	9,622
State	60	730	329
Foreign	(4,104)	(479)	1,668
Total deferred	(1,845)	15,034	11,619
Total	$ 21,155	$ 28,346	$ 23,006