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Long-Term Debt - Additional Information (Details)
3 Months Ended 6 Months Ended 12 Months Ended
Dec. 24, 2019
USD ($)
$ / shares
May 30, 2018
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Jun. 30, 2019
USD ($)
Oct. 31, 2019
USD ($)
Apr. 04, 2017
USD ($)
Jan. 16, 2014
USD ($)
Debt Instrument [Line Items]                    
Long-term debt     $ 3,526,250,000   $ 3,526,250,000   $ 2,637,500,000      
Revolver | Line of Credit                    
Debt Instrument [Line Items]                    
Effective interest rate percentage     3.29%   3.29%          
Interest expense     $ 600,000   $ 600,000 $ 0        
Credit agreement, maximum capacity     750,000,000   750,000,000     $ 450,000,000    
Proceeds from lines of credit     750,000,000       0      
Long-term debt     750,000,000 $ 0 $ 750,000,000 0 0      
Revolver | Line of Credit | LIBOR | Minimum                    
Debt Instrument [Line Items]                    
Interest addition to floating rate         1.25%          
Revolver | Line of Credit | LIBOR | Maximum                    
Debt Instrument [Line Items]                    
Interest addition to floating rate         1.75%          
Notes due 2022 | Convertible Debt                    
Debt Instrument [Line Items]                    
Debt instrument face amount                 $ 143,800,000  
Debt instrument stated interest rate                 2.50%  
Incremental principal amount convertible $ 1,000                  
Conversion price (in dollars per share) | $ / shares $ 23.00                  
Conversion rate increase 7.7633                  
Conversion rate 46.4667                  
Total converted per $1,000 Principal $ 1,068.7341                  
Long-term debt     $ 143,750,000   $ 143,750,000   0      
Term Loan B                    
Debt Instrument [Line Items]                    
Debt instrument face amount   $ 1,000,000,000               $ 800,000,000
Proceeds from issuance of debt   $ 1,000,000,000                
Term loan period         7 years          
Term loan quarterly repayment as percentage of principal         0.25%          
Effective interest rate percentage     3.45%   3.45%          
Interest expense     $ 9,000,000.0 $ 10,300,000 $ 19,100,000 $ 20,100,000        
Long-term debt     $ 982,500,000   $ 982,500,000   $ 987,500,000      
Term Loan B | LIBOR                    
Debt Instrument [Line Items]                    
Interest addition to floating rate         1.75%