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Debt (Narrative) (Details) - Revolving Credit Facility [Member] - JPMorgan Chase Bank [Member]
Apr. 13, 2021
USD ($)
Dec. 31, 2021
USD ($)
May 08, 2020
USD ($)
Line of Credit Facility [Line Items]      
Credit facility, maximum borrowing capacity $ 500,000,000   $ 600,000,000
Debt instrument term 5 years    
Credit facility, commitment fee percentage 0.175%    
Total leverage ratio 3.0    
Fixed charge coverage ratio 1.5    
Credit facility, amount outstanding   $ 0  
London Interbank Offered Rate (LIBOR) [Member]      
Line of Credit Facility [Line Items]      
Additional interest 1.375%