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Income Taxes - Schedule of Significant Deferred Tax Assets and Liabilities (Details) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Components Of Deferred Tax Assets And Liabilities [Abstract]    
Accrued liabilities and other reserves $ 15.2 $ 28.6
Pension and other postretirement benefits plans liabilities 12.3 11.9
Lease liabilities 11.4 14.4
Net operating losses and other tax carryforwards 7.7 10.1
Capitalized research costs [1] 7.1 0.0
Share-based compensation 5.5 3.9
Allowance for doubtful accounts 5.5 3.4
Other 1.8 1.7
Total deferred tax assets 66.5 74.0
Valuation allowances (5.4) (4.8)
Total deferred tax assets 61.1 69.2
Other intangible assets (9.6) (8.8)
Accelerated depreciation (7.4) (14.6)
Right-of-use assets (6.6) (8.5)
Prepaid assets (1.1) (1.0)
Other (3.0) (4.6)
Total deferred tax liabilities (27.7) (37.5)
Net deferred tax assets $ 33.4 $ 31.7
[1] Beginning on January 1, 2022, for U.S. tax purposes, certain research and development costs are required to be capitalized and amortized, primarily over a 5-year period.