Segment Reporting - Reconciliation of Segment Earnings to Consolidated Income Before Provision for Income Taxes and Equity (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 03, 2021	Apr. 04, 2020
Segment Reporting [Abstract]
Segment earnings	$ 307.4	$ 173.4
Interest expense	22.3	24.4
Other expense, net	6.3	40.5
Consolidated income before provision for income taxes and equity in net income of affiliates	$ 278.8	$ 108.5