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New Accounting Pronouncements (Details) - USD ($) $ in Millions | 9 Months Ended |  |
--- | --- | --- | ---
Sep. 27, 2020 | Jun. 28, 2020 | Dec. 29, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Earnings invested in the business | $ 1,139.5 |  | $ 1,238.6
Accounting Standards Update 2018-15 |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Hosting arrangement, service contract, implementation cost, expense, amortization | 0.3 |  |
Payments for hosting arrangement, service contract | $ 3.6 |  |
Cumulative Effect, Period of Adoption, Adjustment | Accounting Standards Update 2016-13 |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Earnings invested in the business |  | $ (0.7) |

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