Income Taxes (Provisions For Income Taxes) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Nov. 30, 2013	Nov. 30, 2012	Nov. 30, 2011
Income Tax Disclosure [Abstract]
Current, Federal	$ 7,639	$ 11,171	$ 22,139
Current, State	1,583	1,270	2,175
Current, Foreign	2,165	5,970	5,131
Total current	11,387	18,411	29,445
Deferred, Federal	9,622	5,257	6,507
Deferred, State	329	55	296
Deferred, Foreign	1,668	(692)	556
Total deferred	11,619	4,620	7,359
Total	$ 23,006	$ 23,031	$ 36,804