Relationship with NBCU and GE Equity (Details) (USD $)	0 Months Ended					1 Months Ended	3 Months Ended	9 Months Ended	12 Months Ended			0 Months Ended			0 Months Ended	9 Months Ended			0 Months Ended
	May 16, 2013	Mar. 27, 2013 board_members	May 12, 2012	May 16, 2011	Feb. 25, 2009 board_members demand_registration	Apr. 30, 2011	Apr. 30, 2011	Nov. 02, 2013 board_members	Feb. 01, 2014	Feb. 02, 2013	Jan. 28, 2012	Feb. 25, 2009 GE [Member]	Feb. 01, 2014 GE [Member]	Jan. 02, 2011 GE [Member]	Feb. 25, 2009 NBCU [Member] demand_registration	Nov. 02, 2013 NBCU [Member]	Feb. 01, 2014 NBCU [Member]	Jan. 02, 2011 Comcast [Member]	Nov. 16, 2000 Trademarks [Member]
Related Party Transaction [Line Items]
Series B Mandatory Redeemable Preferred Stock, Shares, Issued												4,929,266
Class of Warrant or Right, Number of Securities Called by Warrants or Rights												6,000,000
Class of Warrant or Right, Exercise Price of Warrants or Rights									0.75			0.75
Payments to Acquire Interest in Joint Venture												$ 3,400,000
Payments for Repurchase of Preferred Stock and Preference Stock						40,900,000			0	0	40,853,000
Payment of Ordinary Dividends, Annual Dividend Accrual Rate											12.00%
Payments of Ordinary Dividends, Preferred Stock and Preference Stock							6,400,000		0	0	8,915,000
Equity Method Investment, Ownership Percentage in NBCU														49.00%				51.00%
Current Fiscal Year End Date									--02-01
Class of Warrant or Right, Outstanding										6,000,000			6,000,000
Common Stock Shares Held in Subsidiary																	7,141,849
Number of Members Related Party Entitled to Appoint to Board of Directors								2
Minimum Beneficial Ownership to Retain Board Seat																5.00%
Finite-Lived Intangible, License Term																			10 years
Payments to Acquire Intangible Assets	$ 2,830,000		$ 4,000,000						$ 2,830,000	$ 4,000,000	$ 0
Stock Issued - Noncash				689,655
Fair Market Value of Shares Issued				$ 6.04
Number of Board Members Appointed by Affiliates who Hold Upper Limit Beneficial Ownership		3			3
Joint Venture, Minimum Beneficial Ownership Percentage of Partners, Upper Limit					50.00%
Joint Venture, Shares, Beneficial Ownership					8,750,000
Number of Board Members Appointed by Affiliates who Hold Lower Limit Beneficial Ownership					2
Joint Venture, Minimum Beneficial Ownership Percentage of Partners, Lower Limit					10.00%
Joint Venture, Prohibited Asset Purchases by Affiliates, Threshold Percentage					10.00%
Joint Venture, Amended Agreement, Maximum Affiliate Beneficial Ownership Percentage					39.90%
Joint Venture, Affiliate Ownership Threshold to Sell Outstanding Shares					5.00%
Joint Venture, Affiliate Percentage Ownership Threshold to Sell Outstanding Shares, Upper Threshold					90.00%
Joint Venture, Maximum Aggregate Transfer of Beneficial Ownership to Individual, Percentage					10.00%										20.00%
Joint Venture, Standstill Period, Commencement Anniversary					10 years
Joint Venture, Standstill Period, Period After Affiliate can No Longer Designate Nominees					6 months
Joint Venture, Standstill Period, Expiration of Standstill Period					2 years
Joint Venture, Standstill Period, Expiration, Tender Offer, Percentage					100.00%
Registration Rights Agreement, Number of Aggregate Demand Registrations					4										1