Fair Value Measurements Fair Value Measurements (Details) (USD $)	12 Months Ended
	Feb. 02, 2013	Jan. 28, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Material financial assets measured on a recurring basis	$ 0
Material financial liabilities measured on a recurring basis	0
Property and Equipment impairment charges	8,106,000	1,141,000
Property and equipment additions impairment charge	3,200,000
Net Carrying Value | Non-recurring basis
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property and Equipment	0	2,470,000
Fair Value | Non-recurring basis | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property and Equipment	0	0
Fair Value | Non-recurring basis | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property and Equipment	0	0
Fair Value | Non-recurring basis | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property and Equipment	$ 0	$ 2,470,000