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Debt - Other (Details)
$ in Millions
12 Months Ended
Sep. 03, 2020
USD ($)
Dec. 31, 2021
USD ($)
item
Dec. 31, 2020
USD ($)
Sep. 02, 2020
USD ($)
Debt        
Total   $ 1,662.4 $ 1,663.7  
Number of financial maintenance covenants | item   2    
Aggregate maturities of long-term debt for each of the next five years and thereafter        
2022   $ 5.0    
2023   506.0    
2024   0.3    
2025   400.3    
2026   0.4    
Thereafter   750.4    
Total   1,662.4 1,663.7  
Unsecured revolving credit facility maturing September 3, 2025        
Debt        
Maximum borrowing capacity $ 1,500.0     $ 1,500.0
Debt term 5 years      
Total   $ 0.0 0.0  
Commitment fee on unused portion of revolving credit facility (as a percent)   0.20%    
Letters of credit outstanding   $ 8.9    
Aggregate maturities of long-term debt for each of the next five years and thereafter        
Total   $ 0.0 0.0  
Unsecured revolving credit facility maturing September 3, 2025 | LIBOR        
Debt        
Variable interest rate   LIBOR    
Interest rate added to base (as a percent)   1.25%    
Unsecured revolving credit facility maturing September 3, 2025 | Bank prime rate        
Debt        
Variable interest rate   bank prime rate    
Interest rate added to base (as a percent)   0.25%    
Senior Unsecured Notes - Publicly Traded        
Debt        
Percentage of principal amount at which the notes may be required to be repurchased in event of a change of control and a downgrade of the entity's credit rating   101.00%    
Senior unsecured notes, interest payable semi-annually at 4.50%, effective rate of 4.63%, maturing April 15, 2023        
Debt        
Total   $ 500.0 500.0  
Aggregate maturities of long-term debt for each of the next five years and thereafter        
Total   500.0 500.0  
Senior unsecured notes, interest payable semi-annually at 1.30%, effective rate of 1.53%, maturing August 15, 2025        
Debt        
Total   400.0 400.0  
Aggregate maturities of long-term debt for each of the next five years and thereafter        
Total   400.0 400.0  
Senior unsecured notes, interest payable semi-annually at 2.15%, effective rate of 2.27%, maturing August 15, 2030        
Debt        
Total   500.0 500.0  
Aggregate maturities of long-term debt for each of the next five years and thereafter        
Total   500.0 500.0  
Senior unsecured notes, interest payable semi-annually at 6.85%, effective rate of 6.91%, maturing November 15, 2036        
Debt        
Total   250.0 250.0  
Aggregate maturities of long-term debt for each of the next five years and thereafter        
Total   250.0 250.0  
Other separate revolving credit facilities | Asia        
Debt        
Maximum borrowing capacity   8.5    
Lines of credit   4.7 5.4  
IRB        
Debt        
Total   7.7 8.3  
Aggregate maturities of long-term debt for each of the next five years and thereafter        
Total   7.7 $ 8.3  
Letter of Credit        
Debt        
Letters of credit outstanding   4.2    
Letter of Credit | Standby Facility        
Debt        
Maximum borrowing capacity   50.0    
Letters of credit outstanding   $ 19.0