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Income Taxes - Additional Information (Details) - USD ($)
 3 Months Ended 12 Months Ended
Dec. 31, 2018
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Operating Loss Carryforwards [Line Items]        
Effective tax rate (controlling interest)   41.00% 6.80% 32.60%
Provisional one-time net benefit from changes in U.S. tax laws     $ 194,100,000  
Net income tax benefit resulting from re-measurement of Company's deferred tax assets and liabilities     216,900,000  
Transition tax deemed on repatriated foreign earnings and profits     22,800,000  
Income tax benefit related to equity method investment fair value adjustment   $ (181,300,000) (58,400,000) $ (235,600,000)
Foreign operating loss carryforwards, expiration period   20 years    
Operating loss carryforwards, valuation allowance $ 24,100,000 $ 24,100,000 24,100,000  
Amount of temporary difference due to repatriation of earnings from sale or liquidation of subsidiary 225,400,000 225,400,000    
Unrecognized tax benefits that, if recognized, would affect effective tax rate 33,100,000 33,100,000 32,400,000 26,000,000
Accrued income tax interest and related charges 2,100,000 2,100,000 1,700,000 1,400,000
Valuation Allowance, Operating Loss Carryforwards        
Operating Loss Carryforwards [Line Items]        
Increase in valuation allowance on deferred tax assets   $ 0    
Minimum        
Operating Loss Carryforwards [Line Items]        
State net operating loss carryforwards, expiration period   15 years    
Maximum        
Operating Loss Carryforwards [Line Items]        
State net operating loss carryforwards, expiration period   20 years    
Non-US        
Operating Loss Carryforwards [Line Items]        
Expense recorded to reduce the carrying value of equity method affiliate   $ 240,000,000    
State and Local Jurisdiction        
Operating Loss Carryforwards [Line Items]        
Operating loss carryforwards 455,000,000 455,000,000    
State and Local Jurisdiction | Valuation Allowance, Operating Loss Carryforwards        
Operating Loss Carryforwards [Line Items]        
Increase in valuation allowance on deferred tax assets   9,800,000    
Foreign Tax Authority        
Operating Loss Carryforwards [Line Items]        
Operating loss carryforwards 63,100,000 63,100,000    
Foreign Tax Authority | Valuation Allowance, Operating Loss Carryforwards        
Operating Loss Carryforwards [Line Items]        
Increase in valuation allowance on deferred tax assets   14,300,000 2,000,000  
Foreign Tax Authority | Expire over a 20-year period        
Operating Loss Carryforwards [Line Items]        
Operating loss carryforwards 54,100,000 54,100,000    
Non- controlling Interests        
Operating Loss Carryforwards [Line Items]        
Income tax benefit related to equity method investment fair value adjustment   $ (11,900,000) $ (8,000,000) $ (6,400,000)
Non- controlling Interests | Non-US        
Operating Loss Carryforwards [Line Items]        
Income tax benefit related to equity method investment fair value adjustment $ 0      
Controlling interests        
Operating Loss Carryforwards [Line Items]        
Effective tax rate (controlling interest) [1]   41.00% 6.80% 32.60%
Income tax benefit related to equity method investment fair value adjustment   $ (169,400,000) $ (50,400,000) $ (229,200,000)
[1] Taxes attributable to the controlling interest divided by Income before income taxes (controlling interest).