Segment Reporting (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Aug. 31, 2018	Aug. 31, 2017	Aug. 31, 2018	Aug. 31, 2017
Segment Reporting Information [Line Items]
Revenues	$ 159,784	$ 132,306	$ 481,246	$ 446,413
Depreciation and amortization	26,027	27,813	79,625	82,583
Operating income (loss)	10,271	2,151	60,022	54,394
Capital expenditures	57,161	36,991	122,180	77,559
Total Assets	2,294,726	2,203,730	2,294,726	2,203,730
Equity Investments	82,647	87,510	82,647	87,510
Motorsports Event
Segment Reporting Information [Line Items]
Revenues	144,960	120,137	447,412	421,792
Depreciation and amortization	24,275	26,595	74,505	78,966
Operating income (loss)	9,461	748	63,445	55,520
Capital expenditures	50,568	21,745	101,249	37,985
Total Assets	1,693,446	1,645,465	1,693,446	1,645,465
All Other
Segment Reporting Information [Line Items]
Revenues	14,824	12,169	33,834	24,621
Depreciation and amortization	1,752	1,218	5,120	3,617
Operating income (loss)	810	1,403	(3,423)	(1,126)
Capital expenditures	6,593	15,246	20,931	39,574
Total Assets	601,280	558,265	601,280	558,265
Equity Investments	$ 82,647	$ 87,510	$ 82,647	$ 87,510