Fair Value Measurements Fair Value Measurements (Details) - USD ($)	12 Months Ended
	Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property and Equipment	$ 0		$ 0
Property and Equipment impairment charges	5,625,000	$ 1,032,000
Impairment of Long-Lived Assets Held-for-use	$ 5,600,000	1,000,000
Non-recurring basis | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property and Equipment		0	0
Non-recurring basis | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property and Equipment		0	0
Non-recurring basis | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property and Equipment		0	0
Net Carrying Value | Non-recurring basis
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property and Equipment		$ 0	$ 0