Summary of Significant Accounting Policies (Details 3) (Customer)	12 Months Ended
	Jan. 31, 2015	Feb. 01, 2014	Feb. 02, 2013
Trade Receivable | Target
Concentrations of Credit Risk
Concentration risk (as a percent)	48.00%	53.00%
Trade Receivable | Kohl's
Concentrations of Credit Risk
Concentration risk (as a percent)	18.00%
Royalty Revenue | Target
Concentrations of Credit Risk
Concentration risk (as a percent)	53.00%	66.00%	60.00%
Royalty Revenue | Kohl's
Concentrations of Credit Risk
Concentration risk (as a percent)	14.00%