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Income Taxes - Narrative (Detail) - USD ($) $ in Millions	12 Months Ended
Income Taxes - Narrative (Detail) - USD ($) $ in Millions	Feb. 01, 2020	Feb. 02, 2019	Feb. 03, 2018	Jan. 28, 2017
Income Taxes [Line Items]
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	$ 2.8	$ 5.4	$ 6.9
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	79.8
Loss Contingency, Loss in Period	30.3
Tax Credit Carryforward, Amount	19.5
Unrecognized Tax Benefits	6.5	22.5	24.9	$ 42.1
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	5.5
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	2.6	$ 1.5	$ 0.3
Undistributed Earnings of Foreign Subsidiaries	$ 31.1
State and Local Jurisdiction [Member] \| Minimum
Income Taxes [Line Items]
Income Tax Examination Years Subject To Examination	3 years
State and Local Jurisdiction [Member] \| Maximum
Income Taxes [Line Items]
Income Tax Examination Years Subject To Examination	6 years
NOL with expiration [Member]
Income Taxes [Line Items]
Operating Loss Carryforwards	$ 25.8
NOL without expiration [Member] [Member]
Income Taxes [Line Items]
Operating Loss Carryforwards	244.5
Geeknet [Member] \| NOL with expiration [Member]
Income Taxes [Line Items]
Operating Loss Carryforwards	$ 56.1