Income Taxes (Details) - USD ($) $ in Thousands |
3 Months Ended | ||
|---|---|---|---|
Apr. 29, 2017 |
Apr. 30, 2016 |
Jan. 28, 2017 |
|
| Income Tax Disclosure [Abstract] | |||
| Effective income tax rate (as a percent) | 6.20% | 16.00% | |
| Aggregate accruals for uncertain tax positions, including penalties and interest | $ 15,100 | $ 14,600 | |
| New accounting pronouncements and changes in accounting principles | |||
| Decrease to income tax benefit from tax shortfalls | (1,403) | $ (4,791) | |
| Accounting Standards Update 2016-09 | |||
| New accounting pronouncements and changes in accounting principles | |||
| Decrease to income tax benefit from tax shortfalls | $ 600 | ||