Segment Reporting (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	May 31, 2018	May 31, 2017	May 31, 2018	May 31, 2017
Segment Reporting Information [Line Items]
Revenues	$ 172,222	$ 165,788	$ 321,462	$ 314,107
Depreciation and amortization	26,859	28,269	53,598	54,770
Operating income (loss)	17,257	18,425	49,751	52,243
Capital expenditures	56,737	18,976	65,019	40,568
Total Assets	2,320,981	2,241,388	2,320,981	2,241,388
Equity Investments	85,234	91,968	85,234	91,968
Motorsports Event
Segment Reporting Information [Line Items]
Revenues	158,674	156,856	302,452	301,655
Depreciation and amortization	25,062	27,042	50,230	52,371
Operating income (loss)	19,562	19,077	53,984	54,772
Capital expenditures	46,946	10,146	50,681	16,240
Total Assets	1,659,942	1,643,651	1,659,942	1,643,651
All Other
Segment Reporting Information [Line Items]
Revenues	13,548	8,932	19,010	12,452
Depreciation and amortization	1,797	1,227	3,368	2,399
Operating income (loss)	(2,305)	(652)	(4,233)	(2,529)
Capital expenditures	9,791	8,830	14,338	24,328
Total Assets	661,039	597,737	661,039	597,737
Equity Investments	$ 85,234	$ 91,968	$ 85,234	$ 91,968