Commitments and Contingencies (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended				0 Months Ended			1 Months Ended	12 Months Ended
	Apr. 28, 2013	Apr. 29, 2012	Apr. 24, 2011	Jun. 17, 2013 Subsequent Event Rhythm City Casino located in Davenport, Iowa	Feb. 01, 2013 Tower JV item	Apr. 28, 2013 Unsolicited fax advertisements in violation of the Telephone Consumer Protection Act of 1991	Apr. 28, 2013 Lady Luck Gaming Corporation and several joint venture partners vs. country of Greece	Jan. 31, 2011 Isle of Capri Casinos, Inc. and Riverboat Corporation of Mississippi - Vicksburg vs. Silver Land, Inc.	Apr. 28, 2013 Nemacolin	Jun. 30, 2013 Nemacolin Subsequent Event
Future minimum payments over the lease term
2014	$ 12,820
2015	11,798
2016	11,710
2017	11,609
2018	11,467
Thereafter	235,825
Total minimum lease payments	295,229
Rent expense related to continuing operations	28,385	28,557	27,411
Contingent rentals	3,315	3,655	4,129
Commitments and Contingencies
Total cost of the project										60,000
Expenditure incurred during period									29,700
Amount of damages awarded by the court								2,000
Number of applicants for the final gaming license in Philadelphia					6
Amount loaned in the form of stand-by letter of credit					25,000
Accrued current estimate of most probable outcome						1,000
Accrued estimated liability							14,075
Consideration under the option agreement to purchase from the company substantially all of the assets and assume certain liabilities				$ 51,000