Segment Reporting - Reconciliation of Segment Earnings to Consolidated Income Before Provision for Income Taxes and Equity (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 29, 2019	Jun. 30, 2018	Jun. 29, 2019	Jun. 30, 2018
Segment Reporting [Abstract]
Segment earnings	$ 305.2	$ 468.2	$ 617.4	$ 931.1
Interest expense	24.5	20.9	45.4	41.6
Other (income) expense, net	13.8	3.7	18.2	(1.9)
Consolidated income before provision for income taxes and equity in net income of affiliates	$ 266.9	$ 443.6	$ 553.8	$ 891.4