Income Taxes (Provisions For Income Taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2017	Nov. 30, 2016	Nov. 30, 2015
Current:
Federal	$ 23,739	$ 12,934	$ 18,418
State	2,461	3,178	1,526
Foreign	1,496	3,027	3,056
Total current	27,696	19,139	23,000
Deferred:
Federal	1,548	6,203	2,199
State	61	(1,963)	60
Foreign	(1,135)	(2,933)	(4,104)
Total deferred	474	1,307	(1,845)
Total	$ 28,170	$ 20,446	$ 21,155