Consolidated Statement of Shareholders' Equity (USD $) In Thousands, unless otherwise specified	Total	Class A Common Stock $.01 Par Value	Class B Common Stock $.01 Par Value	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss
Balance at Nov. 30, 2011	$ 1,212,466	$ 264	$ 200	$ 445,005	$ 772,938	$ (5,941)
Activity 12/1/11 - 5/31/12:
Net income	29,842				29,842
Comprehensive income	514					514
Cash dividend declared ($0.20 per share)	(9,283)				(9,283)
Reacquisition of previously issued common stock	(10,556)	(4)		(3,491)	(7,061)
Income tax benefit related to stock-based compensation	(257)			(257)
Stock-based compensation	1,346			1,346
Balance at Aug. 31, 2012	$ 1,224,072	$ 260	$ 200	$ 442,603	$ 786,436	$ (5,427)