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Goodwill And Other Intangible Assets (Narrative) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Goodwill and Intangible Assets Disclosure [Abstract]        
Amortization expense of intangible assets $ 2.6 $ 2.7 $ 5.2 $ 5.5
Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year 4.9   4.9  
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months 9.2   9.2  
Finite-Lived Intangible Assets, Amortization Expense, Year Two 8.0   8.0  
Finite-Lived Intangible Assets, Amortization Expense, Year Three 7.3   7.3  
Finite-Lived Intangible Assets, Amortization Expense, Year Four $ 6.7   $ 6.7