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Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($) | 12 Months Ended |
--- | --- | ---
Jan. 31, 2021 | Feb. 02, 2020 | Feb. 03, 2019 | Mar. 31, 2021
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Inventory obsolescence reserves | $ 9,827,000 | $ 13,424,000 |  |
Advertising expenses | 325,994,000 | 388,194,000 | $ 390,115,000 |
Asset impairment charges |  | 3,303,000 | 9,639,000 |
Goodwill | 85,446,000 | 85,343,000 |  | $ 85,446,000
Goodwill impairment | 0 | 0 | $ 0 |
Self-insurance reserves | $ 24,336,000 | 27,000,000 |  |
Period of recognition for stored-value card | 4 years |  |  |
Gift card and other deferred revenue | $ 376,456,000 | 292,550,000 |  |
Total liabilities | 3,010,239,000 | 2,818,182,000 |  |
Retained earnings (accumulated deficit) | 1,019,762,000 | 644,794,000 |  |
COVID19 [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Impairment of operating lease right-of-use assets | 7,865,000 |  |  |
Impairment of property and equipment | $ 19,204,000 |  |  |
Machinery and Equipment [Member] | Maximum [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Lessee, Operating Lease, Term of Contract | 22 years |  |  |
Machinery and Equipment [Member] | Minimum [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Lessee, Operating Lease, Term of Contract | 2 years |  |  |
Other Current Liabilities [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Liability for Expected Sales Returns | $ 36,115,000 | 25,456,000 |  |
Other Current Assets [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Merchandise Inventory to be Returned | 11,995,000 | $ 9,941,000 |  |
Accounting Standards Update 2016-02 [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Deferred Rent Receivables Net | 200,000,000 |  |  |
Operating Lease Right Of Use Asset | 1,200,000,000 |  |  |
Increase in liabilities for lease obligations | 1,400,000,000 |  |  |
Total long-term assets | 1,200,000,000 |  |  |
Total liabilities | 1,200,000,000 |  |  |
Retained earnings (accumulated deficit) | $ 3,300,000 |  |  |

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