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Property, Plant and Equipment and Intangible Assets - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2020
Mar. 31, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Property, Plant and Equipment [Line Items]          
Depreciation expense $ 169.3   $ 194.3 $ 370.0 $ 388.7
Weighted average discount rate percentage 14.00%     14.00%  
Non-cash pre-tax impairments       $ 2,442.8  
Estimated amortization expense for intangible assets [Abstract]          
2020 $ 144.0     144.0  
2021 130.9     130.9  
2022 122.7     122.7  
2023 117.5     117.5  
2024 $ 113.7     $ 113.7  
Restatement Adjustment [Member]          
Property, Plant and Equipment [Line Items]          
Depreciation expense   $ 12.5