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Income Taxes - Reconciliation of the Provision for Taxes (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jan. 28, 2018 | Jan. 29, 2017 | Jan. 31, 2016
Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation [Abstract] |  |  |  |
Federal income tax at statutory rate |  | $ 20,222 | $ 25,571 | $ 7,133
State income taxes, net of federal benefit |  | (159) | 0 | (7)
Foreign taxes at rates less than federal rates |  | (8,698) | (12,074) | (62)
Tax credits generated |  | (3,278) | (2,864) | (3,598)
Changes in valuation allowance |  | (41,911) | 5,578 | 1,847
Non-taxable gain on sale |  | 0 | (2,978) | 0
Changes in uncertain tax positions |  | 1,538 | 1,047 | 1,009
Deemed dividends |  | 299 | 266 | 276
Equity compensation |  | (8,333) | 2,553 | 2,529
Permanent differences |  | 264 | 448 | 28
Deferred tax provision - indefinite-lived intangibles |  | 0 | 0 | 5,670
Triune earn-out |  | 0 | 0 | (5,670)
Revaluation of deferred tax assets and liabilities |  | 0 | 0 | 334
Impact of US Tax Reform | [1] | 65,442 | 0 | 0
Other |  | (2,195) | 852 | (607)
Provision for taxes |  | 23,191 | $ 18,399 | $ 8,882
Impact of US Tax Reform [Abstract] |  |  |  |
Benefit from remeasurement of deferreds due to rate change impact |  | 2,600 |  |
Expense due to change in permanent reinvestment assertion, net of foreign tax credits generated |  | 400 |  |
Expense due to the estimated impact of the transition tax, net of foreign tax credits generated |  | 66,500 |  |
Estimated current income tax payable resulting from the transition tax |  | $ 1,100 |  |
[1] | Impact of US tax reform includes $2.6 million of benefit from remeasurement of deferreds, $0.4 million of expense due to change in permanent reinvestment assertion net of foreign tax credits generated, and $66.5 million of expense due to the estimated impact of the transition tax, net of foreign tax credits generated. The transition tax, net of previously fully valued deferreds results in a total estimated current income tax payable of $1.1 million.

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