XML 62 R50.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Revenue recognition - Unamortized Deferred Selling Costs (Details) - USD ($) $ in Millions | May 05, 2018 | Feb. 03, 2018 | Apr. 29, 2017
--- | --- | --- | ---
Revenue from Contract with Customer [Abstract] |  |  |
Other current assets | $ 30.6 | $ 30.9 | $ 29.6
Other assets | 89.2 | 89.5 | 86.7
Deferred ESP selling costs | $ 119.8 | $ 120.4 | $ 116.3

X
- Definition Deferred Revenue Extended Service Plan Costs Noncurrent + References No definition available. + Details
Name: | sig_DeferredRevenueExtendedServicePlanCostsNoncurrent
Namespace Prefix: | sig_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of other miscellaneous assets expected to be realized or consumed within one year or operating cycle, if longer. + References No definition available. + Details
Name: | us-gaap_OtherAssetsMiscellaneousCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of other miscellaneous assets expected to be realized or consumed after one year or normal operating cycle, if longer. + References No definition available. + Details
Name: | us-gaap_OtherAssetsMiscellaneousNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_RevenueFromContractWithCustomerAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration