XML 47 R38.htm IDEA: XBRL DOCUMENT v3.23.3
Debt - Credit Agreement (Details) - USD ($)
$ in Millions
Jan. 21, 2022
Sep. 30, 2023
Dec. 31, 2022
Jan. 01, 2022
Jan. 31, 2017
5.10% senior notes due September 2023          
Debt          
Interest rate on senior notes (as a percent)   5.10% 5.10%    
5.75% senior notes due February 2025          
Debt          
Interest rate on senior notes (as a percent)   5.75% 5.75%    
0.75% senior exchangeable notes due January 2024          
Debt          
Interest rate on senior notes (as a percent)   0.75% 0.75%   0.75%
2022 Credit Agreement          
Debt          
Outstanding balance   $ 0.0      
Weighted average interest rate (as a percent)   8.02%      
2022 Credit Agreement | Debt covenant          
Debt          
Threshold amount beyond which the debt instrument covenant restricts the company's ability to incur liens       $ 150.0  
Threshold amount beyond which the debt instrument covenant restricts the company's subsidiaries to incur debt       $ 100.0  
Revolving credit facility          
Debt          
Maximum borrowing capacity $ 350.0        
Additional borrowing capacity under terms of accordion feature 100.0        
Letters of credit          
Debt          
Maximum borrowing capacity $ 100.0        
Percentage of property, plant and equipment to be owned by the revolver guarantor and its subsidiaries 90.00%        
Outstanding balance   $ 45.7      
Collateralized debt          
Debt          
Maximum borrowing capacity $ 150.0        
Term loans          
Debt          
Maximum borrowing capacity $ 100.0