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Revenue recognition - ESP Deferred Revenue Rollforward (Details) - USD ($) $ in Millions | 3 Months Ended
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May 02, 2020 | May 04, 2019
Change in Contract with Customer, Liability [Roll Forward] |  |
ESP deferred revenue, beginning of period | $ 997.7 |
ESP deferred revenue, end of period | 991.0 | $ 976.6
Extended Service Plan |  |
Change in Contract with Customer, Liability [Roll Forward] |  |
ESP deferred revenue, beginning of period | 960.0 | 927.6
Plans sold | 55.0 | 96.0
Revenue recognized | (54.0) | (92.3)
ESP deferred revenue, end of period | 961.0 | $ 931.3
Extended Service Plan and Voucher Promotions |  |
Change in Contract with Customer, Liability [Roll Forward] |  |
Revenue recognized | $ (44.5) |

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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118944033&loc=SL49130531-203044 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=118944033&loc=SL49130532-203044 + Details
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- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045 + Details
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- Details
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- Details
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