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Debt and Other Obligations - Narrative (Details)
3 Months Ended 6 Months Ended
Apr. 30, 2021
USD ($)
day
$ / shares
shares
May 12, 2020
USD ($)
day
$ / shares
shares
Jun. 30, 2022
USD ($)
shares
Jun. 30, 2021
USD ($)
Jun. 30, 2022
USD ($)
Jun. 30, 2021
USD ($)
Feb. 05, 2022
USD ($)
Dec. 31, 2021
USD ($)
Debt Instrument [Line Items]                
Convertible debt conversions     $ 2,705,000          
Long-term debt     3,138,500,000   $ 3,138,500,000     $ 3,238,200,000
Long-term debt and capital leases, less current maturities     2,695,500,000   2,695,500,000     2,975,100,000
Less unamortized discounts, net     92,100,000   92,100,000     54,900,000
Repayments of long-term debt     $ 52,400,000 $ 234,800,000 $ 96,800,000 $ 370,700,000    
Convertible notes due 2025 | Convertible notes                
Debt Instrument [Line Items]                
Principal amount   $ 175,000,000            
Stated interest rate percentage   4.75% 4.75%   4.75%      
Convertible debt, conversion price threshold   130.00%            
Number of trading days required for conversion price threshold | day   20            
Number of consecutive days required for trading days for conversion price threshold | day   30            
Number of consecutive business days for conversion price threshold | day   5            
Number of consecutive trading days measurement period | day   5            
Trading price threshold per principal amount portion   98.00%            
Shares conversion rate per portion of principal amount (in shares) | shares   78.4314            
Principal amount portion for trading price threshold   $ 1,000            
Conversion price (in dollars per share) | $ / shares   $ 12.75            
Notes converted amount     $ 2,800,000          
Debt conversion, converted (in shares) | shares     217,226          
Convertible debt conversions     $ 2,700,000          
Long-term debt     25,400,000   $ 25,400,000     28,200,000
Debt instrument, convertible, liquidation preference, during period, value     $ 18,800,000   $ 19,500,000      
1.00% convertible notes due 2026 | Convertible notes                
Debt Instrument [Line Items]                
Principal amount $ 500,000,000              
Stated interest rate percentage     1.00%   1.00%      
Convertible debt, conversion price threshold 130.00%              
Number of trading days required for conversion price threshold | day 20              
Number of consecutive days required for trading days for conversion price threshold | day 30              
Number of consecutive business days for conversion price threshold | day 5              
Trading price threshold per principal amount portion 98.00%              
Shares conversion rate per portion of principal amount (in shares) | shares 20.3791              
Principal amount portion for trading price threshold $ 1,000              
Conversion price (in dollars per share) | $ / shares $ 49.07              
Long-term debt     $ 500,000,000.0   $ 500,000,000.0     500,000,000.0
Number of trading days before maturity redemption allowed | day 40              
Minimum aggregate principal amount outstanding required for redemption $ 150,000,000              
Fair value of the embedded derivative             $ 49,500,000  
Long-term debt and capital leases, less current maturities     456,800,000   456,800,000      
Less unamortized discounts, net     43,200,000   43,200,000      
Revolving credit facilities | Revolving credit facility due in 2024 | Line of Credit                
Debt Instrument [Line Items]                
Line of credit facility, remaining borrowing capacity     $ 240,000,000   $ 240,000,000     $ 240,000,000