Accumulated Other Comprehensive Loss - Reclassification from OCI (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 26, 2025	Sep. 27, 2024	Sep. 26, 2025	Sep. 27, 2024
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net sales	$ 1,021.9	$ 1,019.5	$ 3,302.8	$ 3,267.0
Cost of products sold	(941.1)	(925.7)	(3,009.7)	(2,977.8)
Interest expense	(2.5)	(4.4)	(9.2)	(14.8)
Total	(29.1)	42.1	58.8	121.8
Reclassification out of Accumulated Other Comprehensive Income (Loss) | Cash flow hedges:
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net sales	3.8	0.7	9.2	(0.1)
Cost of products sold	(1.0)	0.1	(1.5)	3.2
Interest expense	(0.6)	(0.9)
Total	2.2	(0.1)	5.5	(2.4)
Reclassification out of Accumulated Other Comprehensive Income (Loss) | Cash flow hedges: | Interest rate swaps, net of tax
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest expense			(2.2)	(5.5)
Reclassification out of Accumulated Other Comprehensive Income (Loss) | Amortization of retirement benefits:
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total	0.0	0.1	0.2	1.2
Reclassification out of Accumulated Other Comprehensive Income (Loss) | Actuarial losses
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other (income) expense, net	0.1	0.1	0.3	0.5
Reclassification out of Accumulated Other Comprehensive Income (Loss) | Curtailment and settlement losses
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other (income) expense, net	$ (0.1)	$ 0.0	$ (0.1)	$ 0.7