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Supplemental Disclosures - Schedule of Cash Flow, Supplemental Disclosures and Narrative (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Non-cash investing activities:        
Capital expenditures in accounts payable and other long-term liabilities $ 162.5 $ 155.3 $ 233.9  
Sale of property in exchange of note receivable 7.2 0.0 0.0  
Right-of-use assets obtained in exchange of lease liabilities 58.2 17.5    
Non-cash financing activities:        
Liability incurred for purchase of business 0.0 12.7 0.0  
Debt assumed through purchase of equity interest and assets 0.0 0.0 50.6  
Cash paid for:        
Interest expense 109.1 97.2 80.0  
Income taxes 52.5 62.9 53.2  
Operating lease payments in operating cash flows 36.9 37.6    
Reconciliation of balance sheet to cash flow        
Cash and cash equivalents 1,080.7 894.2 1,069.6  
Restricted cash (included in other current assets) 0.8 0.0 17.5  
Cash, cash equivalents and restricted cash in Consolidated Statements of Cash Flows $ 1,081.5 $ 894.2 $ 1,087.1 $ 966.6
1.00% Notes | Convertible Debt        
Debt Instrument [Line Items]        
Debt instrument, interest rate 1.00%