Credit Losses - Allowance for Credit Losses Related to the Long-Term Customer Receivable (Details) - USD ($) $ in Millions	9 Months Ended
	Oct. 03, 2021	Sep. 27, 2020
Allowance for credit losses:
Beginning balance	$ 10.9	$ 1.0
Impact of adopting ASC 326	0.0	0.7
Current period provision	0.6	9.5
Currency exchange effects	0.0	(0.3)
Write-offs	(11.5)	0.0
Ending balance	$ 0.0	$ 10.9