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Debt (Narrative) (Details) - Revolving Credit Facility [Member] - JPMorgan Chase Bank [Member]
Apr. 13, 2021
USD ($)
Mar. 31, 2022
USD ($)
Line of Credit Facility [Line Items]    
Credit facility, maximum borrowing capacity $ 500,000,000  
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%