Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 28, 2020	Jun. 30, 2019	Jun. 28, 2020	Jun. 30, 2019
Income Tax Disclosure [Abstract]
Effective income tax rate	13.20%	18.20%	15.80%	18.50%
Discrete items	$ 10.4	$ 4.3	$ 14.6	$ 7.4
Discrete tax expense (benefit), share-based accounting	$ 9.8	$ 4.8	$ 14.5	$ 7.7
Effective tax rate excluding discrete items	22.80%	21.60%	22.80%	21.90%