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Income Taxes - Narrative (Details) - USD ($)
 3 Months Ended 12 Months Ended
Dec. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income Tax [Line Items]          
Net tax benefit attributable to outside basis differences recognized on legal entity restructuring $ 277,200,000        
Tax cuts and jobs act provisional income tax expense benefit         $ 158,000,000.0
Income tax benefit remeasurement of deferred tax assets and liabilities         $ 14,600,000
Provision for income taxes attributable to tax act       $ 13,300,000  
Payment of transition tax in annual interest-free installments period   8 years      
Tax liability transition tax payable 93,647,000 $ 54,761,000 $ 93,647,000    
Deferred tax liabilities operating lease assets 314,433,000 366,671,000 314,433,000    
Federal net operating losses, deferred tax asset before valuation allowance   1,800,000      
Deferred tax assets before valuation allowances for state NOLs   300,200,000      
Deferred tax assets that do not satisfy realization criteria 251,922,000 291,096,000 251,922,000    
Undistributed earnings   3,000,000,000.0      
Additional undistributed foreign earnings   0      
Unrecognized tax benefits 141,164,000 168,516,000 141,164,000 94,962,000  
Unrecognized tax benefits that would affect our effective tax rate 44,500,000 54,900,000 44,500,000    
Unrecognized tax benefits that would affect our effective tax rate, net of federal benefits received 42,700,000 52,300,000 42,700,000    
Additional interest and penalties accrued   400,000 300,000 $ 600,000  
Liability for interest and penalties 3,800,000 1,600,000 3,800,000    
Interest expense 3,100,000 1,300,000 3,100,000    
Expiration of Federal Statute Limitations 2016 Tax Year          
Income Tax [Line Items]          
Gross unrecognized tax benefits released   11,800,000      
Income tax benefits related to decreases in tax positions   8,400,000      
Income tax benefits related to interest and penalties   3,400,000      
Foreign NOLs | Luxembourg          
Income Tax [Line Items]          
Increase (decrease) in valuation allowance   39,200,000      
State          
Income Tax [Line Items]          
Tax liability transition tax payable   54,800,000      
Federal          
Income Tax [Line Items]          
Net operating loss carryforwards $ 320,300,000 8,800,000 $ 320,300,000    
Federal net capital losses, deferred tax asset before valuation allowance   $ 28,400,000      
Operating loss carryforward, expiration period begins   2037      
Federal | Capital Loss Carryforward          
Income Tax [Line Items]          
Capital loss carryforward   $ 135,200,000