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Debt and Finance Lease Obligations (Senior Credit Facility) (Details) - USD ($)
3 Months Ended 12 Months Ended
Sep. 13, 2021
Mar. 19, 2021
Dec. 31, 2023
Sep. 30, 2023
Jun. 30, 2023
Mar. 31, 2023
Mar. 31, 2021
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Line of Credit Facility [Line Items]                    
Loss on extinguishment of debt               $ 0 $ (46,176,000) $ (1,201,000)
Term Loan                    
Line of Credit Facility [Line Items]                    
Maximum borrowing capacity $ 300,000,000                  
Term Loan | Forecast | Subsequent Event                    
Line of Credit Facility [Line Items]                    
Debt instrument, periodic payment     $ 10,000,000 $ 10,000,000 $ 10,000,000 $ 10,000,000        
Revolving Credit Facility                    
Line of Credit Facility [Line Items]                    
Amount outstanding               0 0  
Current borrowing capacity               293,900,000 614,200,000  
Senior Credit Facility                    
Line of Credit Facility [Line Items]                    
Letters of credit, amount outstanding               $ 71,700,000 $ 78,300,000  
2022 EUR Senior notes                    
Line of Credit Facility [Line Items]                    
Proceeds from (repayments of) long-term debt and capital securities   $ 400,900,000                
Loss on extinguishment of debt             $ (7,600,000)      
Make-whole premium             $ 6,600,000      
Revolving Credit Facility | New Senior Credit Facility                    
Line of Credit Facility [Line Items]                    
Maximum borrowing capacity 800,000,000                  
Commitment fee percentage               0.175%    
Letter of Credit | New Senior Credit Facility                    
Line of Credit Facility [Line Items]                    
Maximum borrowing capacity 750,000,000                  
Bridge Loan | New Senior Credit Facility                    
Line of Credit Facility [Line Items]                    
Maximum borrowing capacity $ 30,000,000                  
London Interbank Offered Rate (LIBOR) | Revolving Credit Facility | New Senior Credit Facility                    
Line of Credit Facility [Line Items]                    
Basis spread on variable rate               1.375%    
Base Rate | Revolving Credit Facility | New Senior Credit Facility                    
Line of Credit Facility [Line Items]                    
Basis spread on variable rate               0.375%    
Minimum | Revolving Credit Facility | New Senior Credit Facility                    
Line of Credit Facility [Line Items]                    
Unused capacity, commitment fee percentage 0.08%                  
Minimum | London Interbank Offered Rate (LIBOR) | Term Loan                    
Line of Credit Facility [Line Items]                    
Basis spread on variable rate 0.875%                  
Minimum | London Interbank Offered Rate (LIBOR) | Revolving Credit Facility | New Senior Credit Facility                    
Line of Credit Facility [Line Items]                    
Basis spread on variable rate 1.00%                  
Minimum | Base Rate | Term Loan                    
Line of Credit Facility [Line Items]                    
Basis spread on variable rate 0.00%                  
Minimum | Base Rate | Revolving Credit Facility | New Senior Credit Facility                    
Line of Credit Facility [Line Items]                    
Basis spread on variable rate 0.00%                  
Maximum | Revolving Credit Facility | New Senior Credit Facility                    
Line of Credit Facility [Line Items]                    
Unused capacity, commitment fee percentage 0.25%                  
Maximum | London Interbank Offered Rate (LIBOR) | Term Loan                    
Line of Credit Facility [Line Items]                    
Basis spread on variable rate 1.625%                  
Maximum | London Interbank Offered Rate (LIBOR) | Revolving Credit Facility | New Senior Credit Facility                    
Line of Credit Facility [Line Items]                    
Basis spread on variable rate 1.75%                  
Maximum | Base Rate | Term Loan                    
Line of Credit Facility [Line Items]                    
Basis spread on variable rate 0.625%                  
Maximum | Base Rate | Revolving Credit Facility | New Senior Credit Facility                    
Line of Credit Facility [Line Items]                    
Basis spread on variable rate 0.75%