XML 60 R51.htm IDEA: XBRL DOCUMENT v3.22.1
Pension Benefit Obligations (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Mar. 31, 2022
Mar. 31, 2021
Sep. 30, 2022
United States          
Percentage of Plan Assets:          
Interest cost on projected benefit obligation $ 1.1 $ 1.1 $ 2.3 $ 2.1  
Expected return on plan assets (1.4) (1.6) (2.8) (3.2)  
Amortization of net loss 1.4 1.5 2.8 3.0  
Settlement loss recognized 0.2   0.2    
Net periodic benefit cost 1.3 1.0 2.5 1.9  
Change in benefit obligation:          
Employer contributions to Multiemployer Pension Plans     4.8    
Expected remaining scheduled annual employer contributions for the current fiscal year         $ 6.6
International.          
Percentage of Plan Assets:          
Service costs 0.1 0.2 0.2 0.3  
Interest cost on projected benefit obligation 6.3 5.4 12.7 10.7  
Expected return on plan assets (10.8) (11.0) (21.8) (21.5)  
Amortization of net loss 1.8 2.3 3.7 4.5  
Net periodic benefit cost $ (2.6) $ (3.1) (5.2) $ (6.0)  
Change in benefit obligation:          
Employer contributions to Multiemployer Pension Plans     $ 12.2    
Expected remaining scheduled annual employer contributions for the current fiscal year         $ 12.8