Segment Reporting (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	May 31, 2017	May 31, 2016	May 31, 2017	May 31, 2016
Segment Reporting Information [Line Items]
Revenues	$ 165,788	$ 168,126	$ 314,107	$ 311,107
Depreciation and amortization	28,269	25,986	54,770	51,032
Operating income (loss)	18,425	23,679	52,243	54,845
Capital expenditures	18,976	27,189	40,568	81,778
Total Assets	2,241,388	2,222,720	2,241,388	2,222,720
Equity Investments	91,968	101,038	91,968	101,038
Motorsports Event
Segment Reporting Information [Line Items]
Revenues	156,856	158,065	301,655	297,176
Depreciation and amortization	27,042	24,903	52,371	48,832
Operating income (loss)	19,077	21,893	54,772	54,809
Capital expenditures	10,146	18,967	16,240	70,834
Total Assets	1,643,651	1,678,588	1,643,651	1,678,588
All Other
Segment Reporting Information [Line Items]
Revenues	8,932	10,061	12,452	13,931
Depreciation and amortization	1,227	1,083	2,399	2,200
Operating income (loss)	(652)	1,786	(2,529)	36
Capital expenditures	8,830	8,222	24,328	10,944
Total Assets	597,737	544,132	597,737	544,132
Equity Investments	$ 91,968	$ 101,038	$ 91,968	$ 101,038