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Description of Business and Significant Accounting Policies - Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Millions | Feb. 02, 2019 | Feb. 03, 2018
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Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |  |
Receivables included in prepaid expenses and other current assets | $ 3.2 | $ 4.0

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