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Deferred revenue - Rollforward (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Oct. 28, 2017 | Oct. 29, 2016 | Oct. 28, 2017 | Oct. 29, 2016
Sterling Jewelers |  |  |  |
Deferred Revenue Warranty [Roll Forward] |  |  |  |
ESP deferred revenue, beginning of period | $ 732.7 | $ 720.3 | $ 737.4 | $ 715.1
Plans sold | 47.9 | 52.8 | 176.7 | 190.4
Revenue recognized | (63.0) | (62.9) | (196.5) | (195.3)
ESP deferred revenue, end of period | 717.6 | 710.2 | 717.6 | 710.2
Zale |  |  |  |
Deferred Revenue Warranty [Roll Forward] |  |  |  |
ESP deferred revenue, beginning of period | 169.5 | 156.2 | 168.2 | 146.1
Plans sold | 25.0 | 28.3 | 89.6 | 100.8
Revenue recognized | (29.3) | (29.3) | (92.6) | (91.7)
ESP deferred revenue, end of period | $ 165.2 | $ 155.2 | $ 165.2 | $ 155.2

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- Definition Deferred Revenue Warranty [Roll Forward] + References No definition available. + Details
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- Definition Amount of increase in the standard and extended product warranty accrual from warranties issued. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph ((c)(3)) -URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249 + Details
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- Details
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- Details
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