Equity and Other Investments - Additional Information (Detail) $ in Thousands		1 Months Ended			3 Months Ended		6 Months Ended
	Aug. 05, 2013 USD ($)	Jun. 29, 2015 USD ($)	Apr. 07, 2015 USD ($)	Feb. 28, 2014	May. 31, 2015 USD ($)	May. 31, 2014 USD ($)	May. 31, 2015 USD ($) acre	May. 31, 2014 USD ($)	May. 31, 2012
Schedule of Equity Method Investments [Line Items]
Equity in net loss from equity investments					$ 4,502	$ 2,795	$ 7,746	$ 4,414
Gross gaming revenue ratio							1.00%
Distribution from equity investee							$ 8,321	4,988
Distribution from equity investee and affiliate							5,179	5,012
Interest received on Staten Island note receivable							$ 2,324	0
Subsequent event
Schedule of Equity Method Investments [Line Items]
Interest received on Staten Island note receivable		$ 1,200
Kansas Entertainment
Schedule of Equity Method Investments [Line Items]
Ownership interest in joint venture					50.00%		50.00%		50.00%
Equity in net loss from equity investments					$ 4,500	2,800	$ 7,700	4,400
Gross gaming revenue ratio				1.00%
Income (loss) from equity investments					200	$ 200	400
Other Accrued Liabilities					900		900
Distribution from equity investee			$ 6,000				$ 13,500	$ 10,000
380 Development
Schedule of Equity Method Investments [Line Items]
Ownership interest in joint venture	100.00%
Distribution from equity investee	$ 7,500
Number of acres purchased in the New York City borough of Staten Island | acre							676
Equity method investment sold, carrying amount	80,000
Equity Method Investment, Option Received	$ 4,200
Debt, interest rate	7.00%
Equity Method Investment, Profit, Deferred					1,900		$ 1,900
Equity Method Investment, Accrued Interest, Deferred					7,900		7,900
Expected Incremental Cash Flow From Net Proceeds and Cash Tax Benefit from Sale of Property					$ 118,000		118,000
380 Development | 6 months after closing
Schedule of Equity Method Investments [Line Items]
Distribution from equity investee							6,100
380 Development | 31 months after closing
Schedule of Equity Method Investments [Line Items]
Distribution from equity investee							$ 66,400