Stockholders' Equity - AOCL (Details) - USD ($)	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	$ 323,400,000	$ (22,100,000)
Foreign currency translation adjustments	(15,500,000)	14,900,000
Balance at end of period	326,600,000	34,700,000
Foreign Currency Translation
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(135,500,000)	(175,300,000)
Balance at end of period	(151,000,000.0)	(160,400,000)
Tax expense (benefits)	0	0
Net amount reclassified to earnings	0	0
Pensions
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(1,200,000)	(1,600,000)
Net change from period revaluations	(300,000)	0
Balance at end of period	(1,500,000)	$ (1,600,000)
Tax expense (benefits)	$ 0