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Revenue Recognition (Narrative) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Disaggregation of Revenue [Line Items]        
Performance obligations satisfied in prior period, amount recognized $ 1.4 $ 0.0 $ 1.4 $ 2.1
Revenue recognized in contract liability 0.2 $ 0.3 0.4 $ 0.5
Contract assets recognized $ 0.0   $ 0.0  
Minimum        
Disaggregation of Revenue [Line Items]        
Primary term of contract     3 years  
Maximum        
Disaggregation of Revenue [Line Items]        
Primary term of contract     5 years  
Capital expenditures     $ 50.0