Unaudited Quarterly Financial Information - Consolidated Statement of Operations (Detail) - USD ($) $ / shares in Units, $ in Millions |
3 Months Ended | 9 Months Ended | 12 Months Ended | |||||||||||||||||||
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Feb. 01, 2020 |
Nov. 02, 2019 |
Aug. 03, 2019 |
May 04, 2019 |
Feb. 02, 2019 |
Nov. 03, 2018 |
Aug. 04, 2018 |
May 05, 2018 |
Nov. 03, 2018 |
Feb. 01, 2020 |
Feb. 02, 2019 |
Feb. 03, 2018 |
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| Quarterly Financial Information Disclosure [Abstract] | ||||||||||||||||||||||
| Net sales | $ 2,194.1 | $ 1,438.5 | $ 1,285.7 | $ 1,547.7 | $ 3,063.0 | $ 1,935.4 | $ 1,501.1 | $ 1,785.8 | $ 6,466.0 | $ 8,285.3 | $ 8,547.1 | |||||||||||
| Gross Profit | 597.3 | [1] | 441.1 | [1] | 399.1 | [1] | 471.2 | [1] | 748.8 | [1] | 558.2 | [1] | 470.0 | [1] | 531.1 | [1] | 1,908.7 | 2,308.1 | 2,484.9 | |||
| Operating earnings (loss) | 75.2 | [1] | (45.6) | [1] | (446.7) | [1] | 17.5 | [1] | (232.1) | [1] | (517.9) | [1] | 1.5 | [1] | 46.5 | [1] | (399.6) | (702.0) | 439.2 | |||
| Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent | 24.9 | (83.2) | (413.6) | 7.5 | (268.5) | (506.9) | (39.8) | 20.4 | (464.4) | (794.8) | 230.4 | |||||||||||
| Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent | (3.9) | (0.2) | (1.7) | (0.7) | 80.8 | 18.3 | 14.9 | 7.8 | (6.5) | 121.8 | (195.7) | |||||||||||
| Consolidated net income (loss) attributable to GameStop Corp. | $ 21.0 | $ (83.4) | $ (415.3) | $ 6.8 | $ (187.7) | $ (488.6) | $ (24.9) | $ 28.2 | $ (470.9) | $ (673.0) | $ 34.7 | |||||||||||
| Income (Loss) from Continuing Operations, Per Basic Share | $ 0.38 | $ (1.01) | $ (4.14) | $ 0.07 | $ (2.63) | $ (4.96) | $ (0.39) | $ 0.20 | $ (5.31) | $ (7.79) | $ 2.27 | |||||||||||
| Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Basic Share | (0.06) | 0 | (0.02) | (0.01) | 0.79 | 0.18 | 0.15 | 0.08 | (0.08) | 1.19 | (1.93) | |||||||||||
| Basic earnings (loss) per share | 0.32 | (1.02) | (4.15) | 0.07 | (1.84) | (4.78) | (0.24) | 0.28 | (5.38) | (6.59) | 0.34 | |||||||||||
| Income (Loss) from Continuing Operations, Per Diluted Share | 0.38 | (1.01) | (4.14) | 0.07 | (2.63) | (4.96) | (0.39) | 0.20 | (5.31) | (7.79) | 2.27 | |||||||||||
| Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Diluted Share | (0.06) | 0 | (0.02) | (0.01) | 0.79 | 0.18 | 0.15 | 0.08 | (0.08) | 1.19 | (1.93) | |||||||||||
| Earnings Per Share, Diluted | 0.32 | (1.02) | (4.15) | 0.07 | (1.84) | (4.78) | (0.24) | 0.28 | (5.38) | (6.59) | 0.34 | |||||||||||
| Dividends declared per common share | $ 0 | $ 0 | $ 0 | $ 0.38 | $ 0.38 | $ 0.38 | $ 0.38 | $ 0.38 | $ 0.38 | $ 1.52 | $ 1.48 | |||||||||||
| Asset Impairment Charges | $ 10.4 | $ 11.3 | $ 363.9 | $ 428.4 | $ 587.5 | $ 385.6 | $ 1,015.9 | $ 395.1 | ||||||||||||||
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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Aggregate dividends declared during the period for each share of common stock outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Per basic share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation. No definition available.
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- Definition Per diluted share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation. No definition available.
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- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount after tax of income (loss) from continuing operations attributable to the parent. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The amount of net income (loss) from continuing operations per each share of common stock or unit outstanding during the reporting period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The amount of net income (loss) derived from continuing operations during the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount after tax of income (loss) from a discontinued operation attributable to the parent. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The net result for the period of deducting operating expenses from operating revenues. No definition available.
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- References No definition available.
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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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