XML 109 R91.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Accounts Receivable, Net - Credit Quality Indicator and Age Analysis (Details) - USD ($) $ in Millions | Feb. 03, 2018 | Jan. 28, 2017 | Jan. 30, 2016
--- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross | $ 762.9 | $ 1,952.0 | $ 1,855.9
Valuation allowance | $ (113.5) | $ (138.7) | $ (130.0)
Valuation allowance | 14.90% | 7.10% | 7.00%
0 - 120 days past due | Performing |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross | $ 703.4 |  |
Valuation allowance | (54.0) |  |
121 or more days past due | Performing |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross | 59.5 |  |
Valuation allowance | $ (59.5) |  |
Current, aged 0 – 30 days | Performing |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross |  | $ 1,538.2 | $ 1,473.0
Valuation allowance |  | (47.2) | (45.4)
Past due, aged 31 – 60 days | Performing |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross |  | 282.0 | 259.6
Valuation allowance |  | (9.0) | (8.3)
Past due, aged 61 – 90 days | Performing |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross |  | 51.6 | 49.2
Valuation allowance |  | (2.3) | (2.2)
Past due, aged more than 90 days | Non Performing |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross |  | 80.2 | 74.1
Valuation allowance |  | $ (80.2) | $ (74.1)

X
- Definition Percentage Of Credit Loss Allowance To Loans + References No definition available. + Details
Name: | sig_PercentageOfCreditLossAllowanceToLoans
Namespace Prefix: | sig_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition A valuation allowance for financing receivables that are expected to be uncollectible. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLosses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The balance of financing receivables that were collectively evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=sig_FinancingReceivables0to120DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_PerformingFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=sig_FinancingReceivables121OrMoreDaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables1To29DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables30To59DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables60To89DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_NonperformingFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |