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Stockholders' Equity - AOCI (Details) - USD ($)
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Balance at beginning of period $ 285,800,000 $ 504,600,000 $ 360,400,000
Foreign currency translation adjustments (80,100,000) (36,600,000) 23,600,000
Total other comprehensive income (loss) 2,400,000 2,900,000 (1,400,000)
Balance at end of period (22,100,000) 285,800,000 504,600,000
Foreign Currency Translation      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Balance at beginning of period (95,200,000) (58,600,000) (82,200,000)
Foreign currency translation adjustments (80,100,000) (36,600,000) 23,600,000
Balance at end of period (175,300,000) (95,200,000) (58,600,000)
Tax expense 0 0 0
Net amount reclassified to earnings 0 0 0
Pension Benefits      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Balance at beginning of period (4,000,000.0) (6,900,000) (5,500,000)
Net change from period revaluation 3,200,000 3,800,000 (1,800,000)
Tax (expense) benefit (800,000) (900,000) 400,000
Balance at end of period $ (1,600,000) $ (4,000,000.0) $ (6,900,000)