Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Aug. 31, 2018	Aug. 31, 2017	Aug. 31, 2018	Aug. 31, 2017
Revenues [Abstract]
Revenues	$ 159,278	$ 131,940	$ 479,832	$ 445,169
Direct Expenses:
Other operating expenses	2,523	293	4,770	1,151
General and administrative	26,791	27,694	78,878	81,350
Depreciation and amortization	26,027	27,813	79,625	82,583
Losses on asset retirements	2,181	127	3,538	531
Costs and Expenses, Total	149,007	129,789	419,810	390,775
Operating income	10,271	2,151	60,022	54,394
Interest income	979	331	2,232	699
Interest expense	(2,551)	(2,832)	(8,336)	(9,151)
Equity in net income from equity investments	5,790	4,645	16,449	14,071
Other	11	330	26	344
Income before income taxes	14,500	4,625	70,393	60,357
Income taxes	2,469	4,360	(127,654)	25,592
Net income	$ 12,031	$ 265	$ 198,047	$ 34,765
Dividends per share (in dollars per share)			$ 0.47	$ 0.43
(Loss) earnings per share:
Basic (in dollars per share)	$ 0.27	$ 0.01	4.49	0.78
Diluted (in dollars per share)	$ 0.27	$ 0.01	$ 4.48	$ 0.78
Basic weighted average shares outstanding (shares)	44,110,349	44,482,281	44,154,848	44,799,734
Diluted weighted average shares outstanding (shares)	44,118,767	44,491,278	44,165,955	44,812,102
Admissions, net
Revenues [Abstract]
Revenues	$ 24,365	$ 22,767	$ 80,604	$ 82,764
Motorsports and other event related
Revenues [Abstract]
Revenues	117,405	94,027	356,519	319,861
Direct Expenses:
Direct Expenses	37,290	32,225	107,932	93,008
Food, beverage and merchandise
Revenues [Abstract]
Revenues	12,185	11,118	27,041	29,777
Direct Expenses:
Direct Expenses	9,930	9,109	20,757	22,378
Other
Revenues [Abstract]
Revenues	5,323	4,028	15,668	12,767
NASCAR event management fees
Direct Expenses:
Direct Expenses	$ 44,265	$ 32,528	$ 124,310	$ 109,774