Contingent Liabilities and Commitments (Details) - Environmental assessment and remediation [Member] - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Site Contingency [Line Items]
Total accrued liabilities	$ 1.0	$ 1.0
Accrued liabilities - other	0.1	0.1
Other long-term liabilities	$ 0.9	$ 0.9

Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable in twelve months or in the next operating cycle if longer.

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