Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	6 Months Ended
	May 31, 2011	May 31, 2010
OPERATING ACTIVITIES
Net income	$ 33,308	$ 35,702
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	38,180	36,784
Stock-based compensation	630	833
Amortization of financing costs	673	291
Interest rate swap expense		2,506
Deferred income taxes	15,761	3,253
Loss from equity investments	973	1,549
Impairment of long-lived assets, non-cash	2,872	656
Other, net	(37)	4
Changes in operating assets and liabilities:
Receivables, net	(9,004)	(6,528)
Inventories, prepaid expenses and other assets	(18,901)	(9,660)
Accounts payable and other liabilities	(6,221)	(9,745)
Deferred income	61,964	48,073
Income taxes	4,721	(6,731)
Net cash provided by operating activities	124,919	96,987
INVESTING ACTIVITIES
Capital expenditures	(25,301)	(51,149)
Equity investments and advances to affiliate	(22,175)	(14,174)
Decrease (increase) in restricted cash	(1)	7,943
Proceeds from short-term investments		200
Purchases of short-term investments		(200)
Net cash used in investing activities	(47,477)	(57,380)
FINANCING ACTIVITIES
Payments under credit facility	(82,000)
Payment of long-term debt	(889)	(26,090)
Proceeds of long-term debt	65,000
Deferred financing fees	(439)
Exercise of Class A common stock options	51
Reacquisition of previously issued common stock	(12,259)	(5,455)
Net cash used in financing activities	(30,536)	(31,545)
Net increase in cash and cash equivalents	46,906	8,062
Cash and cash equivalents at beginning of period	84,166	158,572
Cash and cash equivalents at end of period	$ 131,072	$ 166,634