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Income Taxes (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jul. 29, 2017 | Jul. 30, 2016 | Jul. 29, 2017 | Jul. 30, 2016 | Jan. 28, 2017
Income Tax Disclosure [Abstract] |  |  |  |  |
Effective income tax rate (as a percent) |  |  | (1706.10%) | 45.30% |
Aggregate accruals for uncertain tax positions, including penalties and interest | $ 15,300 |  | $ 15,300 |  | $ 14,600
New accounting pronouncements and changes in accounting principles |  |  |  |  |
Increase to income tax expense from tax shortfalls | 6,453 | $ 10,593 | 5,050 | $ 5,802 |
Accounting Standards Update 2016-09 |  |  |  |  |
New accounting pronouncements and changes in accounting principles |  |  |  |  |
Increase to income tax expense from tax shortfalls | $ 100 |  | $ 700 |  |

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