New Accounting Pronouncements (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 28, 2020	Mar. 29, 2020	Dec. 29, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Earnings invested in the business	$ 1,122.8		$ 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	0.2
Payments for hosting arrangement, service contract	$ 2.0
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)