Accumulated Other Comprehensive (Loss) Income - Changes by Component (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 02, 2022	Jul. 03, 2021	Jul. 02, 2022	Jul. 03, 2021
AOCI Attributable to Parent
Beginning Balance	$ 1,304.5	$ 1,336.7	$ 1,320.1	$ 1,346.9
OCI before reclassifications	1.8	2.0	1.7	8.5
Amounts reclassified from AOCI	0.0	0.0	0.0	0.0
Net current-period OCI	1.8	2.0	1.7	8.5
Ending Balance	1,276.8	1,326.0	1,276.8	1,326.0
Pension Benefit Plan Items
AOCI Attributable to Parent
Beginning Balance	(1.7)	(1.1)	(1.7)	(1.1)
OCI before reclassifications	0.0	0.0	0.0	0.0
Amounts reclassified from AOCI	0.0	0.0	0.0	0.0
Net current-period OCI	0.0	0.0	0.0	0.0
Ending Balance	(1.7)	(1.1)	(1.7)	(1.1)
Currency Translation Adjustment Items
AOCI Attributable to Parent
Beginning Balance	(67.5)	(79.1)	(67.4)	(85.6)
OCI before reclassifications	1.8	2.0	1.7	8.5
Amounts reclassified from AOCI	0.0	0.0	0.0	0.0
Net current-period OCI	1.8	2.0	1.7	8.5
Ending Balance	(65.7)	(77.1)	(65.7)	(77.1)
Total
AOCI Attributable to Parent
Beginning Balance	(69.2)	(80.2)	(69.1)	(86.7)
Ending Balance	$ (67.4)	$ (78.2)	$ (67.4)	$ (78.2)