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Debt (Details Textual) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 13, 2021
Mar. 19, 2021
Oct. 27, 2021
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2022
Sep. 23, 2021
Dec. 31, 2020
Line of Credit Facility [Line Items]                    
Loss on extinguishment of debt       $ 563,000 $ 1,201,000 $ 8,173,000 $ 1,201,000      
Subsequent Event                    
Line of Credit Facility [Line Items]                    
Loss on extinguishment of debt     $ 38,000,000              
Make whole premium     $ 36,100,000              
2032 USD Senior Notes                    
Line of Credit Facility [Line Items]                    
Stated interest rate (as a percent)       0.028%   0.028%        
2032 USD Senior Notes | Senior Notes                    
Line of Credit Facility [Line Items]                    
Debt Instrument, face amount                 $ 500,000,000  
Stated interest rate (as a percent)                 2.80%  
Percentage of par value                 99.656%  
2022 EUR Senior Notes                    
Line of Credit Facility [Line Items]                    
Stated interest rate (as a percent)       1.25%   1.25%       1.25%
Loss on extinguishment of debt   $ 7,600,000     1,200,000          
Make whole premium   6,600,000                
Repayment of debt   $ 400,900,000     $ 191,400,000          
2022 EUR Senior Notes | Senior Notes                    
Line of Credit Facility [Line Items]                    
Stated interest rate (as a percent)                 3.50%  
2023 Senior notes                    
Line of Credit Facility [Line Items]                    
Stated interest rate (as a percent)       4.00%   4.00%       4.00%
2023 Senior notes | Senior Notes                    
Line of Credit Facility [Line Items]                    
Stated interest rate (as a percent)                 4.00%  
Term Loan Facility                    
Line of Credit Facility [Line Items]                    
Stated interest rate (as a percent)       1.36%   1.36%        
Line of credit facility, maximum borrowing capacity $ 300,000,000                  
Amount drawn 300,000,000                  
Term Loan Facility | Forecast                    
Line of Credit Facility [Line Items]                    
Periodic payment               $ 7,500,000    
Revolving Credit Facility | Senior Credit Facility                    
Line of Credit Facility [Line Items]                    
Loss on extinguishment of debt       $ 600,000            
Line of credit facility, maximum borrowing capacity 800,000,000                  
Amount drawn       0   $ 0       $ 0
Line of credit, commitment fee (as a percentage)           0.175%        
Line of credit facility, current borrowing capacity       708,600,000   $ 708,600,000       741,900,000
Letter of Credit | Senior Credit Facility                    
Line of Credit Facility [Line Items]                    
Line of credit facility, maximum borrowing capacity 750,000,000                  
Letters of credit outstanding       $ 80,400,000   $ 80,400,000       $ 58,100,000
Swing Line Loans | Senior Credit Facility                    
Line of Credit Facility [Line Items]                    
Line of credit facility, maximum borrowing capacity $ 30,000,000                  
LIBOR | Revolving Credit Facility | Senior Credit Facility                    
Line of Credit Facility [Line Items]                    
Basis spread on variable rate           1.375%        
Base Rate | Revolving Credit Facility | Senior Credit Facility                    
Line of Credit Facility [Line Items]                    
Basis spread on variable rate           0.375%        
Minimum | Revolving Credit Facility | Senior Credit Facility                    
Line of Credit Facility [Line Items]                    
Line of credit, commitment fee (as a percentage) 0.08%                  
Minimum | LIBOR | Term Loan Facility                    
Line of Credit Facility [Line Items]                    
Basis spread on variable rate 0.875%                  
Minimum | LIBOR | Revolving Credit Facility | Senior Credit Facility                    
Line of Credit Facility [Line Items]                    
Basis spread on variable rate 1.00%                  
Minimum | Base Rate | Term Loan Facility                    
Line of Credit Facility [Line Items]                    
Basis spread on variable rate 0.00%                  
Minimum | Base Rate | Revolving Credit Facility | Senior Credit Facility                    
Line of Credit Facility [Line Items]                    
Basis spread on variable rate 0.00%                  
Maximum | Revolving Credit Facility | Senior Credit Facility                    
Line of Credit Facility [Line Items]                    
Line of credit, commitment fee (as a percentage) 0.25%                  
Maximum | LIBOR | Term Loan Facility                    
Line of Credit Facility [Line Items]                    
Basis spread on variable rate 1.625%                  
Maximum | LIBOR | Revolving Credit Facility | Senior Credit Facility                    
Line of Credit Facility [Line Items]                    
Basis spread on variable rate 1.75%                  
Maximum | Base Rate | Term Loan Facility                    
Line of Credit Facility [Line Items]                    
Basis spread on variable rate 0.625%                  
Maximum | Base Rate | Revolving Credit Facility | Senior Credit Facility                    
Line of Credit Facility [Line Items]                    
Basis spread on variable rate 0.75%