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Debt - Additional Information (Details) - USD ($)
12 Months Ended
Oct. 15, 2020
Oct. 08, 2020
Jul. 02, 2020
Jun. 22, 2020
Dec. 31, 2020
Dec. 31, 2019
Jun. 30, 2020
Feb. 29, 2020
Feb. 19, 2020
Debt Instrument [Line Items]                  
Repayment of debt         $ 617,271,000 $ 85,592,000      
Proceeds from divestiture         133,000,000 0      
Long-term debt         1,025,967,000 1,559,652,000      
Movianto                  
Debt Instrument [Line Items]                  
Proceeds from divestiture         78,900,000        
Revolver                  
Debt Instrument [Line Items]                  
Repayment of debt $ 30,000,000.0                
Maximum borrowing capacity         400,000,000        
Borrowings outstanding         103,000,000 178,000,000      
Line of credit facility, remaining borrowing capacity         $ 283,000,000 209,000,000      
Revolver | Minimum                  
Debt Instrument [Line Items]                  
Commitment fee charged on unused portion of facility         0.125%        
Revolver | Maximum                  
Debt Instrument [Line Items]                  
Commitment fee charged on unused portion of facility         0.25%        
Term Loan                  
Debt Instrument [Line Items]                  
Long-term debt         $ 511,000,000        
Replaced Line of Credit                  
Debt Instrument [Line Items]                  
Letters of credit outstanding, amount         1,600,000 1,500,000      
Long-term debt, scheduled future principal payments 2021         24,700,000        
Long-term debt, scheduled future principal payments 2022         123,000,000        
Long-term debt, scheduled future principal payments 2023         160,000,000        
Long-term debt, scheduled future principal payments 2024         251,000,000        
Long-term debt, scheduled future principal payments 2025         469,000,000        
2024 Notes | Senior Notes                  
Debt Instrument [Line Items]                  
Senior notes, par value         $ 245,000,000        
Interest rate of debt         4.375%        
Debt issued, percent of par         99.60%        
Effective yield percentage         4.422%        
Senior notes redemption price, percentage       90.00% 100.00%        
Rate of interest discounted         0.30%        
Cash tender offer             $ 240,000,000    
Repayment of debt       $ 29,000,000.0          
Gain (loss) on extinguishment of debt         $ 2,900,000        
2021 Notes | Senior Notes                  
Debt Instrument [Line Items]                  
Interest rate of debt         3.875%        
Debt issued, percent of par         99.50%        
Effective yield percentage         3.951%        
Senior notes redemption price, percentage       100.00%          
Rate of interest discounted         0.25%        
Cash tender offer             $ 240,000,000    
Repayment of debt     $ 100,000 $ 54,100,000 $ 54,100,000 36,200,000      
Redemption premium         5,000,000.0        
Debt instrument, repurchase amount           37,300,000      
2021 and 2024 Notes | Senior Notes                  
Debt Instrument [Line Items]                  
Repayment of debt         269,000,000        
Debt instrument, repurchase amount         $ 267,000,000        
Term Loan B                  
Debt Instrument [Line Items]                  
Debt convent, springing maturity, period         91 days        
Letter of Credit                  
Debt Instrument [Line Items]                  
Letters of credit outstanding, amount         $ 13,900,000 11,700,000      
Line of credit facility, remaining borrowing capacity         0 $ 1,100,000      
Receivable Securitization | Maximum                  
Debt Instrument [Line Items]                  
Senior notes, par value                 $ 325,000,000
Debt instrument, repurchase amount               $ 150,000,000  
Term Loan A-1 | Term Loan                  
Debt Instrument [Line Items]                  
Repayment of debt   $ 109,000,000              
Term Loan A-2 | Term Loan                  
Debt Instrument [Line Items]                  
Repayment of debt $ 51,700,000                
Long-term debt, scheduled future principal payments 2021         19,700,000        
Long-term debt, scheduled future principal payments 2022         $ 14,700,000        
Base Rate | Term Loan B                  
Debt Instrument [Line Items]                  
Basis spread on LIBOR, percent         3.50%        
Base Rate | 2021 Notes | Senior Notes                  
Debt Instrument [Line Items]                  
Senior notes redemption price, percentage     95.00%            
Eurodollar | Revolver                  
Debt Instrument [Line Items]                  
Basis spread on LIBOR, percent         2.75%        
Eurodollar | Term Loan B                  
Debt Instrument [Line Items]                  
Basis spread on LIBOR, percent         4.50%