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Intangibles (Narrative) (Details) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended 5 Months Ended 6 Months Ended
Feb. 02, 2021
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Finite-Lived Intangible Assets [Line Items]          
Amortization of Intangible Assets $ 0.1     $ 0.3 $ 0.5
Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year   $ 0.3   0.3  
Finite-Lived Intangible Asset, Expected Amortization, Year Two Through Five   0.7   0.7  
Trade Names [Member]          
Finite-Lived Intangible Assets [Line Items]          
Assets Held-for-sale, Not Part of Disposal Group   0.7   $ 0.7  
Amortization of Intangible Assets   $ 0.2 $ 0.2