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Investments (Tables) | 12 Months Ended
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Jan. 29, 2022
Investments, Debt and Equity Securities [Abstract] |
Schedule of available-for-sale debt securities | All investments are classified as available-for-sale and include the following:
| January 29, 2022 |  | January 30, 2021 |  |
(in millions) | Cost |  | Unrealized Gain (Loss) |  | Fair Value |  | Cost |  | Unrealized Gain (Loss) |  | Fair Value |  |  |  |  |  |
US Treasury securities | $ | 4.5 |  |  | $ | — |  |  | $ | 4.5 |  |  | $ | 5.6 |  |  | $ | 0.1 |  |  | $ | 5.7 |  |  |  |  |  |  |
US government agency securities | 2.0 |  |  | — |  |  | 2.0 |  |  | 3.1 |  |  | 0.1 |  |  | 3.2 |  |  |  |  |  |  |
Corporate bonds and notes | 5.6 |  |  | 0.2 |  |  | 5.8 |  |  | 6.2 |  |  | 0.3 |  |  | 6.5 |  |  |  |  |  |  |
Total investments | $ | 12.1 |  |  | $ | 0.2 |  |  | $ | 12.3 |  |  | $ | 14.9 |  |  | $ | 0.5 |  |  | $ | 15.4 |  |  |  |  |  |  |
Investments in debt securities outstanding as of January 29, 2022 mature as follows:
(in millions) | Cost |  | Fair Value
Less than one year | $ | 4.1 |  |  | $ | 4.2 |
Year two through year five | 7.0 |  |  | 7.1 |
Year six through year ten | 1.0 |  |  | 1.0 |
Total investment in debt securities | $ | 12.1 |  |  | $ | 12.3 |

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- Definition Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI http://asc.fasb.org/topic&trid=2196928 + Details
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- References No definition available. + Details
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