Investments in Affiliates and Other Related Party Transactions - Summarized Income Statement Data for Affiliates Accounted for under Equity Method (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Oct. 03, 2020	Jul. 04, 2020	Apr. 04, 2020	Dec. 31, 2019	Sep. 28, 2019	Jun. 29, 2019	Mar. 30, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Schedule of Equity Method Investments [Line Items]
Gross profit	$ 459.3	$ 442.8	$ (127.4)	$ 334.2	$ 326.8	$ 459.3	$ 478.2	$ 473.2
Net income attributable to affiliates									$ 75.4	$ 77.1	$ 96.9
Group of Equity Method Investments
Schedule of Equity Method Investments [Line Items]
Net sales									1,597.5	1,670.0	1,520.2
Gross profit									83.0	89.2	75.9
Income before provision for income taxes									73.8	85.7	60.0
Net income attributable to affiliates									$ 44.8	$ 53.5	$ 42.2