Accumulated Other Comprehensive (Loss) Income - Changes by Component (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Oct. 01, 2022	Sep. 30, 2023	Oct. 01, 2022
AOCI Attributable to Parent
Beginning balance	$ 1,265,800,000	$ 1,276,800,000	$ 1,282,900,000	$ 1,320,100,000
OCI before reclassifications	2,500,000	3,800,000	(4,700,000)	5,500,000
Amounts reclassified from AOCI 2	0	(400,000)	600,000	(400,000)
Net current-period OCI	2,500,000	3,400,000	(4,100,000)	5,100,000
Ending balance	1,290,700,000	1,262,700,000	1,290,700,000	1,262,700,000
Pension Benefit Plan Items
AOCI Attributable to Parent
Beginning balance	1,800,000	(1,700,000)	1,200,000	(1,700,000)
OCI before reclassifications	0	0	0	0
Amounts reclassified from AOCI 2	0	0	600,000	0
Net current-period OCI	0	0	600,000	0
Ending balance	1,800,000	(1,700,000)	1,800,000	(1,700,000)
Currency Translation Adjustment Items
AOCI Attributable to Parent
Beginning balance	(90,600,000)	(65,700,000)	(83,400,000)	(67,400,000)
OCI before reclassifications	2,500,000	3,800,000	(4,700,000)	5,500,000
Amounts reclassified from AOCI 2	0	(400,000)	0	(400,000)
Net current-period OCI	2,500,000	3,400,000	(4,700,000)	5,100,000
Ending balance	(88,100,000)	(62,300,000)	(88,100,000)	(62,300,000)
Total
AOCI Attributable to Parent
Beginning balance	(88,800,000)	(67,400,000)	(82,200,000)	(69,100,000)
Ending balance	$ (86,300,000)	$ (64,000,000.0)	$ (86,300,000)	$ (64,000,000.0)