Accounts Payable And Accrued Expenses (Details) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Schedule Of Accounts Payble And Accrued Expenses [Line Items]
Payables, trade and other	$ 96.1	$ 105.8
Employment costs	14.4	30.3
Current portion of pension and postretirement liabilities	9.9	9.9
Acquisition-related contingent consideration	4.3	8.6
Other	20.7	20.3
Total accounts payable and accrued expenses	$ 145.4	$ 174.9