Fair Value Measurements (Details) $ in Thousands |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
|
Oct. 29, 2016
USD ($)
|
Oct. 31, 2015
USD ($)
|
Oct. 29, 2016
USD ($)
stores
|
Oct. 31, 2015
USD ($)
|
Jan. 30, 2016
USD ($)
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||||
| Impairment charge | $ 0 | $ 0 | $ 829 | $ 0 | |
| Number of stores impaired during the period | stores | 2 | ||||
| Level 1 [Member] | Recurring [Member] | |||||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||||
| Money market funds | 63,430 | $ 63,430 | $ 152,069 | ||
| Level 2 [Member] | Recurring [Member] | |||||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||||
| Money market funds | 0 | 0 | 0 | ||
| Level 3 [Member] | Recurring [Member] | |||||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||||
| Money market funds | $ 0 | $ 0 | $ 0 | ||