Segment Reporting (Detail) - USD ($) $ in Thousands	3 Months Ended
	Feb. 29, 2016	Feb. 28, 2015
Segment Reporting Information [Line Items]
Revenues	$ 142,981	$ 136,888
Depreciation and amortization	25,046	24,009
Operating income (loss)	31,166	21,591
Capital expenditures	54,589	43,418
Total assets	2,237,955	2,142,430
Equity investments	102,719	118,972
Motorsports Event
Segment Reporting Information [Line Items]
Revenues	139,111	124,749
Depreciation and amortization	23,929	22,688
Operating income (loss)	32,916	24,366
Capital expenditures	51,867	40,857
Total assets	1,737,895	1,680,351
All Other
Segment Reporting Information [Line Items]
Revenues	3,870	12,139
Depreciation and amortization	1,117	1,321
Operating income (loss)	(1,750)	(2,775)
Capital expenditures	2,722	2,561
Total assets	500,060	462,079
Equity investments	$ 102,719	$ 118,972