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Income Taxes - Narrative (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Operating Loss Carryforwards [Line Items]      
Federal income tax at statutory rate (as a percent) 21.00% 21.00% 35.00%
Tax cuts and jobs act of 2017 total transition tax obligation   $ 57,200,000  
Tax cuts and jobs act of 2017 related to GILTI provisional income tax expense $ 0 0.0  
Tax cuts and jobs act of 2017 base erosion and anti abuse tax income tax expense 0 400,000  
Change in valuation allowance, deferred tax asset 4,500,000 1,300,000  
Deferred tax assets, valuation allowance 157,100,000 153,100,000  
Tax cuts and jobs act, deferred tax assets 1,800,000 1,700,000  
Tax cuts and jobs act, unremitted earnings of non-United States subsidiaries 255,300,000 322,000,000.0  
Tax cuts and jobs act, additional unremitted earnings of non-United States subsidiaries 430,900,000    
Change to gross unrecognized tax expense (benefits) including interest and penalties 1,700,000 7,600,000 $ 1,700,000
Uncertain tax liabilities interest and penalties (300,000) (1,000,000.0) 300,000
Uncertain tax liabilities interest and penalties accrued 6,400,000 6,700,000 7,700,000
Unrecognized tax benefits that would impact effective tax rate 7,200,000 7,200,000 $ 13,100,000
Domestic Tax Authority      
Operating Loss Carryforwards [Line Items]      
Interest expense carryforwards $ 39,500,000    
Maximum annual utilization percentage of interest expense carryforwards 30.00%    
State and Local Jurisdiction      
Operating Loss Carryforwards [Line Items]      
Net operating loss carryforwards $ 677,400,000    
Operating loss carryforwards expiration period 2039    
Non-U.S. Tax Authority      
Operating Loss Carryforwards [Line Items]      
Net operating loss carryforwards $ 327,200,000    
Net operating loss carryforwards, valuation allowance 160,100,000    
U.K      
Operating Loss Carryforwards [Line Items]      
Deferred tax assets, valuation allowance 12,300,000    
Non-U.S.      
Operating Loss Carryforwards [Line Items]      
Tax cuts and jobs act of 2017 change in net operating losses and valuation allowance $ 19,900,000 $ 30,400,000