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Restructuring Plans - Restructuring and Related Costs (Details) - USD ($) $ in Millions | 3 Months Ended | 15 Months Ended
--- | --- | ---
May 04, 2019 | May 05, 2018 | May 04, 2019
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges | $ 5.4 | $ 0.0 |
Signet Path to Brillance |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges | 26.8 | 6.5 | $ 152.7
Signet Path to Brillance | Restructuring Charges |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Other Plan related expenses | 26.8 | $ 6.5 |
Inventory charges | Signet Path to Brillance |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges | 0.0 |  | 62.2
Termination benefits | Signet Path to Brillance |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges | 8.8 |  | 18.5
Store closure and other costs | Signet Path to Brillance |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges | $ 18.0 |  | $ 72.0

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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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