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Fair value measurement (Tables) | 12 Months Ended
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Jan. 29, 2022
Fair Value Disclosures [Abstract] |
Methods to Determine Fair Value on Instrument-Specific Basis | The methods Signet uses to determine fair value on an instrument-specific basis are detailed below:
| January 29, 2022 |  | January 30, 2021
(in millions) | Carrying Value |  | Level 1 |  | Level 2 |  | Carrying Value |  | Level 1 |  | Level 2
Assets: |  |  |  |  |  |  |
US Treasury securities | $ | 4.5 |  |  | $ | 4.5 |  |  | $ | — |  |  | $ | 5.7 |  |  | $ | 5.7 |  |  | $ | — |
Foreign currency contracts | 0.3 |  |  | — |  |  | 0.3 |  |  | 0.1 |  |  | — |  |  | 0.1 |
US government agency securities | 2.0 |  |  | — |  |  | 2.0 |  |  | 3.2 |  |  | — |  |  | 3.2 |
Corporate bonds and notes | 5.8 |  |  | — |  |  | 5.8 |  |  | 6.5 |  |  | — |  |  | 6.5 |
Total assets | $ | 12.6 |  |  | $ | 4.5 |  |  | $ | 8.1 |  |  | $ | 15.5 |  |  | $ | 5.7 |  |  | $ | 9.8 |
Liabilities: |  |  |  |  |  |  |  |  |  |  |
Foreign currency contracts | $ | (1.3) |  |  | $ | — |  |  | $ | (1.3) |  |  | $ | (0.3) |  |  | $ | — |  |  | $ | (0.3) |
Commodity contracts | — |  |  | — |  |  | — |  |  | (0.1) |  |  | — |  |  | (0.1) |
Total liabilities | $ | (1.3) |  |  | $ | — |  |  | $ | (1.3) |  |  | $ | (0.4) |  |  | $ | — |  |  | $ | (0.4) |
Schedule of Carrying Amount and Fair Value of Outstanding Debt | The following table provides a summary of the carrying amount and fair value of outstanding debt:
| January 29, 2022 |  | January 30, 2021
(in millions) | Carrying Value |  | Fair Value |  | Carrying Value |  | Fair Value
Long-term debt |  |  |  |  |  |  |
Senior Notes (Level 2) | $ | 147.1 |  |  | $ | 150.0 |  |  | $ | 146.7 |  |  | $ | 145.1 |

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- Definition Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13467-108611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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- Definition Tabular disclosure of information pertaining to carrying amount and estimated fair value of short-term and long-term debt instruments or arrangements, including but not limited to, identification of terms, features, and collateral requirements. + References No definition available. + Details
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