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Pension Plans - Fair Value of Unfunded, Non-qualified Deferred Compensation Plans Assets (Details) - USD ($) $ in Millions | Feb. 02, 2019 | Feb. 03, 2018
--- | --- | ---
Defined Benefit Plan Disclosure [Line Items] |  |
Total assets | $ 33.9 | $ 37.5
Level 1 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Total assets | 26.9 | 30.2
Level 2 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Total assets | 7.0 | 7.3
Corporate-owned life insurance plans |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Total assets | 7.0 | 7.3
Corporate-owned life insurance plans | Level 2 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Total assets | 7.0 | 7.3
Money market funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Total assets | 26.9 | 30.2
Money market funds | Level 1 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Total assets | $ 26.9 | $ 30.2

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