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Long-Lived Assets - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 27, 2025	Sep. 28, 2024	Sep. 27, 2025	Sep. 28, 2024	Dec. 31, 2024
Property, Plant and Equipment
Depreciation expense	$ 147.5	$ 141.7	$ 433.5	$ 423.1
Other expense, net	(8.5)	$ (3.4)	(34.1)	(24.3)
Disposal Group, Held-for-Sale, Not Discontinued Operations
Property, Plant and Equipment
Disposal group, including discontinued operation, assets	5.9		5.9		$ 47.4
Assets held for sale	$ 5.9		5.9		47.4
Other expense, net			2.7
Proceeds from sale of productive assets			36.5
Disposal Group, Held-for-Sale, Not Discontinued Operations | Seating
Property, Plant and Equipment
Assets held for sale					$ 42.0
Additional Property, Plant and Equipment
Property, Plant and Equipment
Asset impairment charges			0.4	3.9
Property, plant and equipment
Property, Plant and Equipment
Asset impairment charges			$ 11.2	$ 1.6

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