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Financing Arrangements - Narrative (Details)
3 Months Ended
Dec. 30, 2020
USD ($)
Jun. 17, 2020
USD ($)
Jun. 10, 2020
USD ($)
Mar. 31, 2021
USD ($)
claim
$ / shares
Mar. 31, 2020
USD ($)
Mar. 31, 2021
£ / shares
Dec. 31, 2020
USD ($)
Debt Instrument [Line Items]              
Proceeds from long-term debt obligations       $ 0 $ 162,899,000    
Minimum pro rata net revenue       550,000,000      
Amortization of debt issuance costs       $ 4,409,000 $ 543,000    
Capped Call              
Debt Instrument [Line Items]              
Derivative, cap price per share | $ / shares       $ 100.00      
Derivative asset       $ 84,900,000      
Senior Notes              
Debt Instrument [Line Items]              
Interest rate (percent)       9.95%      
Debt instrument, face amount   $ 287,500,000          
Proceeds from long-term debt obligations   278,000,000.0          
Debt discounts and issuance costs   $ 82,000,000.0          
Amortization of debt issuance costs       $ 3,100,000      
Unamortized discount (premium), net       $ 72,400,000      
Interest rate, stated percentage   3.00%   3.00%      
Unamortized discount   $ 75,000,000.0          
Debt issuance costs, net   $ 7,000,000.0          
Debt Instrument, Redemption, Threshold Par Value | £ / shares           £ 1.00  
Redemption, threshold trading days | claim       20      
Redemption, threshold consecutive trading days | claim       30      
Redemption price, percentage of exchange price       130.00%      
Conversion price (in dollars per share) | $ / shares       $ 79.27      
Option to exchange, price per share | $ / shares       $ 60.98      
Redemption price, percentage       100.00%      
Fair value of embedded derivative liability       $ 148,100,000      
Debt instrument, exchangeable, conversion ratio       0.016398      
Secured Debt              
Debt Instrument [Line Items]              
Interest rate (percent)       9.05%      
Debt instrument, face amount     $ 450,000,000.0        
Long-term debt, term     5 years        
Proceeds from long-term debt obligations     $ 421,500,000        
Minimum net revenue       $ 700,000,000      
Debt discounts and issuance costs     $ 28,500,000        
Amortization of debt issuance costs       1,200,000      
Unamortized discount (premium), net       $ 24,800,000      
Secured Debt | London Interbank Offered Rate (LIBOR)              
Debt Instrument [Line Items]              
LIBOR floor rate       1.00%      
Debt instrument, basis spread on variable rate       6.50%      
Revolving Credit Facility              
Debt Instrument [Line Items]              
Short-term debt       $ 4,100,000     $ 5,000,000.0
Revolving Credit Facility 2020              
Debt Instrument [Line Items]              
Finance contract, borrowing base $ 50,000,000.0            
Revolving Credit Facility 2020 | London Interbank Offered Rate (LIBOR)              
Debt Instrument [Line Items]              
LIBOR floor rate 1.00%            
Debt instrument, basis spread on variable rate 5.00%            
Revolving Credit Facility 2020 | ABR              
Debt Instrument [Line Items]              
LIBOR floor rate 2.00%            
Debt instrument, basis spread on variable rate 4.00%            
Minimum | Revolving Credit Facility              
Debt Instrument [Line Items]              
Interest rate (percent)       3.06%      
Maximum | Revolving Credit Facility              
Debt Instrument [Line Items]              
Interest rate (percent)       7.65%      
Debt instrument, term       365 days