v3.24.3
Analysis of accumulated other comprehensive (loss) income (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 28, 2024
Sep. 30, 2023
Sep. 28, 2024
Sep. 30, 2023
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance $ 3,494.3 $ 3,391.0 $ 3,543.9 $ 3,443.6
Other comprehensive (loss) income, net of tax, attributable to parent     (92.2) 25.9
Other comprehensive income (loss) 31.4 (66.3) (108.6) 2.0
Ending balance 3,457.9 3,412.3 3,457.9 3,412.3
Accumulated OCI        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance     (906.9) (982.4)
Ending balance (1,015.5) (980.4) (1,015.5) (980.4)
Accumulated OCI attributable to shareholders        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance (949.0) (825.9) (828.5) (917.8)
Other comprehensive (loss) income, net of tax, attributable to parent     (113.5) 31.4
Other comprehensive income (loss) 7.0 (60.5) (113.5) 31.4
Ending balance (942.0) (886.4) (942.0) (886.4)
Post- retirement benefits        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance     (15.3) 0.6
Other comprehensive (loss) income, net of tax, attributable to parent     (4.3) (3.2)
Other comprehensive income (loss)     (1.4) (1.9)
Ending balance (19.6) (2.6) (19.6) (2.6)
Foreign currency translation        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Other comprehensive (loss) income, net of tax, attributable to parent     (2.9) (1.3)
Post-retirement benefit movements        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Other comprehensive (loss) income, net of tax, attributable to parent     (1.4) (1.9)
Cumulative translation adjustment        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance     (832.3) (950.0)
Other comprehensive (loss) income, net of tax, attributable to parent     (89.3) 27.2
Other comprehensive (loss) income, net of tax, attributable to noncontrolling interest     4.9 (29.4)
Other comprehensive income (loss)     (87.3) (3.5)
Ending balance (921.6) (922.8) (921.6) (922.8)
Cash flow hedges        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance     19.1 31.6
Other comprehensive (loss) income, net of tax, attributable to parent     (19.9) 7.4
Ending balance (0.8) 39.0 (0.8) 39.0
Non-controlling interests        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance     (78.4) (64.6)
Other comprehensive (loss) income, net of tax, attributable to noncontrolling interest     4.9 (29.4)
Ending balance $ (73.5) $ (94.0) $ (73.5) $ (94.0)