Commitments and Contingencies (Narrative) (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Environmental Remediation Obligations [Line Items]
Reserves for environmental matters	$ 14.4	$ 16.4
Reserves for environmental matters, current	2.9	3.7
Segment, Discontinued Operations
Environmental Remediation Obligations [Line Items]
Reserves for environmental matters	$ 3.3	$ 4.3

Total costs accrued as of the balance sheet date for environmental loss contingencies.

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