Segment Reporting (Detail) - USD ($) $ in Thousands	3 Months Ended
	Feb. 28, 2017	Feb. 29, 2016
Segment Reporting Information [Line Items]
Revenues	$ 148,319	$ 142,981
Depreciation and amortization	26,501	25,046
Operating income (loss)	33,818	31,166
Capital expenditures	21,592	54,589
Total Assets	2,253,153	2,237,955
Equity Investments	91,770	102,719
Motorsports Event
Segment Reporting Information [Line Items]
Revenues	144,799	139,111
Depreciation and amortization	25,329	23,929
Operating income (loss)	35,695	33,034
Capital expenditures	6,094	51,867
Total Assets	1,687,462	1,737,371
All Other
Segment Reporting Information [Line Items]
Revenues	3,520	3,870
Depreciation and amortization	1,172	1,117
Operating income (loss)	(1,877)	(1,868)
Capital expenditures	15,498	2,722
Total Assets	565,691	500,584
Equity Investments	$ 91,770	$ 102,719