Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 29, 2024	Dec. 31, 2023	Jan. 01, 2023
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ (83.2)	$ (67.4)	$ (141.3)
OCI before reclassifications	(17.5)	(23.0)	57.1
Amounts reclassified from AOCI	11.2	7.2	16.8
Net current-period OCI	(6.3)	(15.8)	73.9
Ending balance	(89.5)	(83.2)	(67.4)
Increase (Decrease) in Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Beginning balance	7.3	7.7	26.0
OCI before reclassifications	(1.6)	(0.4)	(18.3)
Amounts reclassified from AOCI	0.0	0.0	0.0
Net current-period OCI	(1.6)	(0.4)	(18.3)
Ending balance	5.7	7.3	7.7
Post- retirement benefit plans [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(32.5)	(34.7)	(86.6)
OCI before reclassifications	(1.6)	(2.9)	41.3
Amounts reclassified from AOCI	3.6	5.1	10.6
Net current-period OCI	2.0	2.2	51.9
Ending balance	(30.5)	(32.5)	(34.7)
Increase (Decrease) in Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Beginning balance	0.0	0.0	0.0
OCI before reclassifications	0.0	0.0	0.0
Amounts reclassified from AOCI	0.0	0.0	0.0
Net current-period OCI	0.0	0.0	0.0
Ending balance	0.0	0.0	0.0
Currency translation adjustment [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(68.4)	(70.1)	(64.9)
OCI before reclassifications	(11.4)	1.7	(25.2)
Amounts reclassified from AOCI	0.0	0.0	20.0
Net current-period OCI	(11.4)	1.7	(5.2)
Ending balance	(79.8)	(68.4)	(70.1)
Increase (Decrease) in Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Beginning balance	7.3	7.7	26.0
OCI before reclassifications	(1.6)	(0.4)	(18.3)
Amounts reclassified from AOCI	0.0	0.0	0.0
Net current-period OCI	(1.6)	(0.4)	(18.3)
Ending balance	5.7	7.3	7.7
Derivatives [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(6.4)	13.5	5.1
OCI before reclassifications	(4.5)	(21.8)	41.0
Amounts reclassified from AOCI	8.4	1.9	(32.6)
Net current-period OCI	3.9	(19.9)	8.4
Ending balance	(2.5)	(6.4)	13.5
Increase (Decrease) in Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Beginning balance	0.0	0.0	0.0
OCI before reclassifications	0.0	0.0	0.0
Amounts reclassified from AOCI	0.0	0.0	0.0
Net current-period OCI	0.0	0.0	0.0
Ending balance	0.0	0.0	0.0
Accumulated Deferred Tax Asset Valuation Allowance
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	24.1	23.9	5.1
OCI before reclassifications	0.0	0.0	0.0
Amounts reclassified from AOCI	(0.8)	0.2	18.8
Net current-period OCI	(0.8)	0.2	18.8
Ending balance	23.3	24.1	23.9
Increase (Decrease) in Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Beginning balance	0.0	0.0	0.0
OCI before reclassifications	0.0	0.0	0.0
Amounts reclassified from AOCI	0.0	0.0	0.0
Net current-period OCI	0.0	0.0	0.0
Ending balance	$ 0.0	$ 0.0	$ 0.0