XML 106 R85.htm IDEA: XBRL DOCUMENT v3.22.4
Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Beginning balance $ 535.4 $ 500.9 $ 518.4
Other comprehensive income (loss) before reclassifications / adjustments 0.6 (0.6)  
Retirement benefit plans funded status adjustment 3.1 1.0 (1.6)
Net current period change in accumulated other comprehensive loss 3.7 0.4  
Ending balance 622.7 535.4 500.9
Benefit Plans      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Beginning balance (6.9) (8.2)  
Other comprehensive income (loss) before reclassifications / adjustments 0.4 0.3  
Retirement benefit plans funded status adjustment 3.1 1.0  
Net current period change in accumulated other comprehensive loss 3.5 1.3  
Ending balance (3.4) (6.9) (8.2)
Tax (benefit) expense associated with benefit plans (1.0) (2.0)  
Currency Translation Adjustments      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Beginning balance (9.8) (8.9)  
Other comprehensive income (loss) before reclassifications / adjustments 0.2 (0.9)  
Retirement benefit plans funded status adjustment 0.0 0.0  
Net current period change in accumulated other comprehensive loss 0.2 (0.9)  
Ending balance (9.6) (9.8) (8.9)
Accumulated Other Comprehensive Loss      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Beginning balance (16.7) (17.1) (14.4)
Retirement benefit plans funded status adjustment 3.1 1.0 (1.6)
Ending balance $ (13.0) $ (16.7) $ (17.1)