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Debt - Other (Details)
$ in Millions
12 Months Ended
Jan. 15, 2023
USD ($)
Jan. 12, 2023
Sep. 03, 2020
USD ($)
Dec. 31, 2022
USD ($)
item
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Sep. 02, 2020
USD ($)
Debt              
Total       $ 1,659.6 $ 1,662.4    
Principal payments on long-term debt       $ (0.3) (20.7) $ (1,615.4)  
Number of financial maintenance covenants | item       2      
Aggregate maturities of long-term debt for each of the next five years and thereafter              
2023       $ 508.2      
2024       0.3      
2025       400.3      
2026       0.4      
2027       0.4      
Thereafter       750.0      
Total       1,659.6 1,662.4    
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)   0.175%          
Letters of credit outstanding       7.7 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 | SOFR              
Debt              
Interest rate added to base (as a percent)   1.10%          
Unsecured revolving credit facility maturing September 3, 2025 | Bank prime rate              
Debt              
Variable interest rate   bank prime rate          
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%, redeemed on January 15, 2023              
Debt              
Total       $ 500.0 500.0    
Semi-annual rate (as a percent) 4.50%     4.50%      
Principal payments on long-term debt $ (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    
Semi-annual rate (as a percent)       1.30%      
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    
Semi-annual rate (as a percent)       2.15%      
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    
Semi-annual rate (as a percent)       6.85%      
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       7.8      
Lines of credit       2.2 4.7    
IRB              
Debt              
Total       7.4 7.7    
Aggregate maturities of long-term debt for each of the next five years and thereafter              
Total       7.4 $ 7.7    
Letter of Credit | Standby Facility              
Debt              
Maximum borrowing capacity       50.0      
Letters of credit outstanding       $ 18.7