Consolidated Balance Sheets (Unaudited) (USD $) In Thousands	6 Months Ended
	May 31, 2011	Nov. 30, 2010
Current Assets:
Cash and cash equivalents	$ 131,072	$ 84,166
Receivables, less allowance of $1,200 in 2010 and $1,000 in 2011	42,939	33,935
Inventories	4,092	2,733
Income taxes receivable	13,419	18,108
Deferred income taxes	4,123	4,288
Prepaid expenses and other current assets	23,364	6,776
Total Current Assets	219,009	150,006
Property and Equipment, net of accumulated depreciation of $589,285 and $622,051, respectively	1,365,690	1,376,751
Other Assets:
Long-term restricted cash and investments	1,003	1,002
Equity investments	64,891	43,689
Intangible assets, net	178,609	178,609
Goodwill	118,791	118,791
Other	10,961	9,901
Total Other Assets	374,255	351,992
Total Assets	1,958,954	1,878,749
Current Liabilities:
Current portion of long-term debt	2,643	3,216
Accounts payable	17,180	15,829
Deferred income	111,690	49,202
Current tax liabilities	4,418	4,492
Other current liabilities	24,323	19,000
Total Current Liabilities	160,254	91,739
Long-Term Debt	285,797	303,074
Deferred Income Taxes	295,371	279,641
Long-Term Tax Liabilities	2,379	2,131
Long-Term Deferred Income	11,391	11,915
Other Long-Term Liabilities	3,442	3,072
Commitments and Contingencies
Shareholders' Equity:
Additional paid-in capital	469,304	481,154
Retained earnings	736,824	712,099
Accumulated other comprehensive loss	(6,282)	(6,554)
Total Shareholders' Equity	1,200,320	1,187,177
Total Liabilities and Shareholders' Equity	1,958,954	1,878,749
Class A Common Stock $.01 Par Value
Shareholders' Equity:
Common Stock, Value	272	275
Total Shareholders' Equity	272	275
Class B Common Stock $.01 Par Value
Shareholders' Equity:
Common Stock, Value	202	203
Total Shareholders' Equity	$ 202	$ 203