Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Feb. 29, 2012	Nov. 30, 2011
Current Assets:
Cash and cash equivalents	$ 98,742	$ 110,078
Receivables, less allowance of $1,000 in 2011 and 2012, respectively	89,859	36,098
Inventories	4,542	2,481
Income taxes receivable		5,914
Deferred income taxes	2,487	3,949
Prepaid expenses and other current assets	15,433	6,875
Total Current Assets	211,063	165,395
Property and Equipment, net of accumulated depreciation of $647,905 and $663,081, respectively	1,366,356	1,371,776
Other Assets:
Equity investments	150,402	100,137
Intangible assets, net	178,689	178,701
Goodwill	118,791	118,791
Other	7,745	9,839
Other assets	455,627	407,468
Total Assets	2,033,046	1,944,639
Current Liabilities:
Current portion of long-term debt	2,275	2,264
Accounts payable	19,034	17,917
Deferred income	94,278	46,209
Income taxes payable	1,750	1,212
Current tax liabilities	755	4,178
Other current liabilities	17,724	17,856
Total Current Liabilities	135,816	89,636
Long-Term Debt	343,740	313,888
Deferred Income Taxes	318,750	315,659
Long-Term Tax Liabilities	1,911	1,784
Long-Term Deferred Income	11,707	10,087
Other Long-Term Liabilities	1,314	1,119
Commitments and Contingencies
Shareholders' Equity:
Additional paid-in capital	442,090	445,005
Retained earnings	783,016	772,938
Accumulated other comprehensive loss	(5,758)	(5,941)
Total Shareholders' Equity	1,219,808	1,212,466
Total Liabilities and Shareholders' Equity	2,033,046	1,944,639
Class A Common Stock $.01 Par Value
Shareholders' Equity:
Common Stock Value	260	264
Class B Common Stock $.01 Par Value
Shareholders' Equity:
Common Stock Value	$ 200	$ 200