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Debt - Credit Agreement (Details) - USD ($)
1 Months Ended 9 Months Ended
Sep. 30, 2020
Mar. 31, 2020
Feb. 29, 2020
Oct. 02, 2021
Oct. 03, 2020
Aug. 08, 2022
Oct. 29, 2021
Dec. 31, 2020
Aug. 08, 2017
Debt Instrument [Line Items]                  
Debt instrument extension term     1 year            
Payments of related issuance costs       $ 0 $ 6,900,000        
Term loan repayments       14,100,000 $ 9,400,000        
Credit Agreement                  
Debt Instrument [Line Items]                  
Payments of related issuance costs     $ 1,000,000            
Credit Agreement | Revolving Credit Facility                  
Debt Instrument [Line Items]                  
Line of credit facility, maximum borrowing capacity                 $ 1,750,000,000
Borrowings outstanding under revolving credit facility       $ 0       $ 0  
Revolving credit facility repayments $ 1,000,000,000                
Revolving credit facility borrowings   $ 1,000,000,000              
Credit Agreement | Revolving Credit Facility | Subsequent Event                  
Debt Instrument [Line Items]                  
Line of credit facility, maximum borrowing capacity             $ 2,000,000,000    
Credit Agreement | Revolving Credit Facility | Minimum                  
Debt Instrument [Line Items]                  
Facility fee       0.125%          
Credit Agreement | Revolving Credit Facility | Maximum                  
Debt Instrument [Line Items]                  
Facility fee       0.30%          
Credit Agreement | Term Loan Facility                  
Debt Instrument [Line Items]                  
Debt instrument, face amount                 $ 250,000,000
Borrowings outstanding under revolving credit facility       $ 206,300,000       $ 220,300,000  
Credit Agreement | Term Loan Facility | Subsequent Event                  
Debt Instrument [Line Items]                  
Debt instrument, face amount           $ 250,000,000