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Summary of Significant Accounting Policies - Additional Information (Detail) | 12 Months Ended
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Feb. 01, 2020 USD ($) Store State Segment | Feb. 02, 2019 USD ($) | Feb. 03, 2018 USD ($)
Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of stores | Store | 727 |  |
Number of states stores operated | State | 45 |  |
Gain on insurance recovery | $ 8,100,000 | $ 3,300,000 | $ 0
Cash and short-term, highly liquid investments, maturities period | 3 months |  |
Selling, general and administrative expenses | $ 2,228,178,000 | 2,018,737,000 | 1,863,501,000
Depreciation and amortization | 210,720,000 | 217,884,000 | 201,103,000
Impairment Charges - Property and equipment | 3,400,000 | 3,900,000 | 1,100,000
Capitalized software | 18,000,000.0 | 15,700,000 |
Impairment charges - indefinite lived intangible assets | 0 | 0 | 0
impairment charges - finite lived intangible assets | 0 | 2,900,000 | 800,000
Impairment charges goodwill | 0 | 0 | 0
Amortization of landlord-owned assets | 14,600,000 | 16,000,000.0 | 14,500,000
Customer liabilities | 32,100,000 | 33,700,000 |
Advertising costs | 74,600,000 | 77,100,000 | 82,300,000
Breakage income | 3,600,000 | 4,200,000 | 3,300,000
Sale of certain state tax credit | $ 0 | 2,100,000 | 2,500,000
Reports segment | Segment | 1 |  |
Distribution and Purchasing Functions |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Selling, general and administrative expenses | $ 339,100,000 | 313,300,000 | 283,600,000
Depreciation and amortization | $ 31,900,000 | 30,500,000 | 26,600,000
Other Liabilities |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Deferred lease incentives |  | 216,200,000 |
Weather Related Incidents |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of stores closed at least one day | Store | 82 |  |
Insurance proceeds | $ 12,500,000 | 9,300,000 | 11,700,000
Weather Related Incidents | Other income - net |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Gain on insurance recovery | 8,100,000 | 3,300,000 |
Weather Related Incidents | Merchandise Inventories |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Losses incurred related to significant damage to assets written-off |  |  | 5,400,000
Weather Related Incidents | Property and Equipment and Other Long-lived Assets, Repair and Maintenance Costs |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Losses incurred related to significant damage to assets written-off |  |  | 17,700,000
Weather Related Incidents | Property and Equipment |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Insurance proceeds | 5,100,000 | $ 2,800,000 | $ 6,000,000.0
Casualty Losses and Insurance Proceeds | Cost of Sales |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Casualty losses | $ 3,100,000 |  |
Minimum | Buildings |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Property and equipment, Useful Lives | 20 years |  |
Minimum | Fixtures And Equipment |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Property and equipment, Useful Lives | 3 years |  |
Maximum |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Maximum discount on sales price | 60.00% |  |
Maximum | Buildings |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Property and equipment, Useful Lives | 40 years |  |
Maximum | Fixtures And Equipment |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Property and equipment, Useful Lives | 15 years |  |
Burlington Stores |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of stores | Store | 714 |  |
Cohoes Fashions |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of stores | Store | 2 |  |
Super Baby Depot |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of stores | Store | 2 |  |
MJM Designer Shoes |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of stores | Store | 8 |  |
Online Stores |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of stores | Store | 1 |  |

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