Intangible Assets (Details) (USD $)	3 Months Ended					12 Months Ended
	Aug. 03, 2013	Jul. 28, 2012	Apr. 28, 2012	Jul. 30, 2011	Apr. 30, 2011	Feb. 02, 2013	Jan. 28, 2012
Finite-Lived Intangible Assets [Line Items]
Indefinite-Lived License Agreements			$ 23,111,000				$ 23,111,000
Stock Issued - Noncash				689,655
Finite-Lived Intangible Assets, Useful Life, Maximum				1
Fair Market Value of Shares Issued				$ 6.04
License Costs	2,830,000	4,000,000
License Agreement Covenant, Minimum Unrestricted Cash Plus Available Credit		8,000,000
Amortization of Intangible Assets			1,041,000		807,000
Document Period End Date			Apr. 28, 2012
Future Amortization Expense, Remainder of Fiscal Year						4,000,000
Operating and Broadcast Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Indefinite-Lived License Agreements			23,111,000				23,111,000
Renewal of Licensing Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Weighted-Average Useful Life			1.0
Finite-Lived Intangible Assets, Gross			4,166,000				4,166,000
Finite-Lived Intangible Assets, Accumulated Amortization			$ (3,992,000)				$ (2,951,000)