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Debt - Revolving Credit Facility (Narrative) (Details)
1 Months Ended
Nov. 30, 2022
USD ($)
extension
May 31, 2018
USD ($)
Sep. 30, 2023
USD ($)
2018 Credit Agreement      
Debt Instrument [Line Items]      
Maximum borrowing capacity   $ 500,000,000  
Debt term   5 years  
2018 Credit Agreement | Minimum      
Debt Instrument [Line Items]      
Commitment fee   0.075%  
2018 Credit Agreement | Maximum      
Debt Instrument [Line Items]      
Commitment fee   0.15%  
2018 Credit Agreement | Base Rate | Minimum      
Debt Instrument [Line Items]      
Basis spread on variable rate   0.00%  
2018 Credit Agreement | Base Rate | Maximum      
Debt Instrument [Line Items]      
Basis spread on variable rate   0.25%  
2018 Credit Agreement | LIBOR | Minimum      
Debt Instrument [Line Items]      
Basis spread on variable rate   0.875%  
2018 Credit Agreement | LIBOR | Maximum      
Debt Instrument [Line Items]      
Basis spread on variable rate   1.25%  
2022 Credit Agreement      
Debt Instrument [Line Items]      
Maximum borrowing capacity $ 500,000,000    
Debt term 5 years    
Maximum borrowing capacity under specific conditions $ 1,000,000,000    
Line of credit facility, number of extensions | extension 2    
Line of credit facility, extension term 1 year    
Outstanding borrowings     $ 0
2022 Credit Agreement | Minimum      
Debt Instrument [Line Items]      
Commitment fee 0.07%    
2022 Credit Agreement | Maximum      
Debt Instrument [Line Items]      
Commitment fee 0.125%    
2022 Credit Agreement | Base Rate | Minimum      
Debt Instrument [Line Items]      
Basis spread on variable rate 0.00%    
2022 Credit Agreement | Base Rate | Maximum      
Debt Instrument [Line Items]      
Basis spread on variable rate 0.125%    
2022 Credit Agreement | Benchmark Rate | Minimum      
Debt Instrument [Line Items]      
Basis spread on variable rate 0.75%    
2022 Credit Agreement | Benchmark Rate | Maximum      
Debt Instrument [Line Items]      
Basis spread on variable rate 1.125%    
2022 Credit Agreement | Reference Rate | Minimum      
Debt Instrument [Line Items]      
Basis spread on variable rate 0.75%    
2022 Credit Agreement | Reference Rate | Maximum      
Debt Instrument [Line Items]      
Basis spread on variable rate 1.125%