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Taxes on Earnings (Loss) (Details) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Nov. 30, 2019 | Oct. 31, 2020 | Nov. 02, 2019 | Oct. 31, 2020 | Nov. 02, 2019 | Feb. 01, 2020
Income Tax Disclosure [Abstract] |  |  |  |  |  |
Effective income tax rate (percent) |  | 4.00% | 23.00% | 45.00% | 23.00% |
Effective income tax rate, change from prior year (percent) |  | (0.19) |  | 0.22 |  |
Unrecognized tax benefits |  | $ 76.1 | $ 83.4 | $ 76.1 | $ 83.4 | $ 67.1
Income tax penalties and interest accrued |  | 9.4 | $ 13.9 | 9.4 | $ 13.9 | $ 7.2
Amount recognized by Company related to decrease in reserves for tax positions in prior period, including interest and penalties | $ 16.2 |  |  |  |  |
Amount recognized by Company related to decrease in reserves for tax positions in prior period, interest and penalties | $ 6.6 |  |  |  |  |
Impact of recognizing taxes and interest related to unrecognized tax benefits |  | 60.6 |  | 60.6 |  |
Unrecognized tax benefits reduction resulting from conclusion of certain state tax matters or lapse of applicable statute of limitations (up to) |  | $ 10.1 |  | $ 10.1 |  |

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- Definition Unrecognized Tax Benefits, Decrease Resulting From Prior Period Tax Positions, Income Tax Penalties And Interest Accrued + References No definition available. + Details
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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 + Details
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- Definition The amount of the unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319 + Details
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- Definition Amount of unrecognized tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 10B -URI http://asc.fasb.org/extlink&oid=120406818&loc=SL37586934-109318 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319 + Details
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- Definition Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319 + Details
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