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Accumulated Other Comprehensive Loss
 12 Months Ended
Dec. 31, 2021
Equity [Abstract]  
Accumulated Other Comprehensive Loss Accumulated Other Comprehensive Loss
The after-tax components comprising "Accumulated other comprehensive loss" are summarized below:

December 31,
(in millions)20212020
Foreign currency translation adjustment$(32.4)$(30.4)
Unrecognized pension and postretirement benefits cost, net of tax of $1.3 in 2020
— (3.1)
Accumulated other comprehensive loss$(32.4)$(33.5)

See Note 14, Employee Benefit Plans, for discussion of the amounts recognized in "Accumulated other comprehensive loss" related to the Company's defined pension plan.