Accumulated Other Comprehensive Loss - Changes in OCI (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 27, 2026	Mar. 28, 2025
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, value	$ 2,030.2
Other comprehensive (loss) income, before reclassifications	5.4	$ 2.9
Amounts reclassified from accumulated other comprehensive (loss) income	(1.1)	1.3
Net current period other comprehensive (loss) income	4.3	4.2
Balance, value	2,029.5
Foreign currency transaction and translation gain (loss)	2.3	3.5
Cash Flow Hedges
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, value	1.9	5.6
Other comprehensive (loss) income, before reclassifications	9.7	(3.6)
Amounts reclassified from accumulated other comprehensive (loss) income	(1.3)	1.2
Net current period other comprehensive (loss) income	8.4	(2.4)
Balance, value	10.3	3.2
Foreign Currency Translation Adjustment
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, value	(24.8)	(45.2)
Other comprehensive (loss) income, before reclassifications	(4.7)	6.9
Amounts reclassified from accumulated other comprehensive (loss) income	0.0	0.0
Net current period other comprehensive (loss) income	(4.7)	6.9
Balance, value	(29.5)	(38.3)
Retirement Benefit Adjustment
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, value	(15.3)	(10.8)
Other comprehensive (loss) income, before reclassifications	0.4	(0.4)
Amounts reclassified from accumulated other comprehensive (loss) income	0.2	0.1
Net current period other comprehensive (loss) income	0.6	(0.3)
Balance, value	(14.7)	(11.1)
Total
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, value	(38.2)	(50.4)
Balance, value	$ (33.9)	$ (46.2)