Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Nov. 30, 2012	Nov. 30, 2011	Nov. 30, 2010
Net income	$ 54,578	$ 69,424	$ 54,531
Other comprehensive income:
Foreign currency translation, net of tax benefit (expense) of $38, $12 and ($14), respectively	(21)	19	59
Other Comprehensive Income, Derivatives Arising During Period, Net of Tax	0	0	13,442
Interest rate swap fair value adjustment, net of tax benefit of $5,063	0	0	(7,786)
Amortization of interest rate swap, net of tax benefit of $0, $397 and $416, respectively	666	594	0
Comprehensive income	55,223	70,037	60,246
Foreign currency translation, net of tax benefit (expense)	(14)	12	38
Interest rate swap expense, net of tax	0	0	8,777
Interest rate swap fair value adjustment, net of tax benefit	0	0	5,063
Amortization of interest rate swap, net of tax benefit	$ 416	$ 397	$ 0