Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 357,900,000	$ 349,600,000	$ 312,600,000
Currency translation	(10,000,000.0)	14,100,000	(1,100,000)
Pension and OPEB activity, net of tax	8,900,000	4,800,000	5,000,000.0
Ending balance	324,800,000	357,900,000	349,600,000
Tax on currency translation as foreign earnings permanently reinvested	0	0
Cumulative Translation Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(8,300,000)	(22,400,000)	(21,300,000)
Ending balance	(18,300,000)	(8,300,000)	(22,400,000)
Pension and Postretirement Benefits
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(9,800,000)	(14,600,000)	(19,600,000)
Ending balance	(900,000)	(9,800,000)	(14,600,000)
Total
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(18,100,000)	(37,000,000.0)	(40,900,000)
Ending balance	$ (19,200,000)	$ (18,100,000)	$ (37,000,000.0)