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Convertible Senior Notes - Notes Due 2024 (Detail)
1 Months Ended 12 Months Ended
Sep. 30, 2019
USD ($)
D
Jan. 28, 2023
USD ($)
$ / shares
shares
Jan. 29, 2022
USD ($)
shares
Jan. 30, 2021
USD ($)
shares
Jul. 30, 2022
USD ($)
Jun. 30, 2018
USD ($)
Debt Instrument            
Debt instrument, conversion principal amount           $ 1,000
Debt amount settled in cash   $ 13,064,000 $ 335,729,000 $ 215,846,000    
Debt default conditions            
Amortization of debt discount   0 28,816,000 42,372,000    
Loss on extinguishment of debt   $ (169,578,000) $ (29,138,000) $ 152,000    
Shares acquired from notes settlement | shares   3,719,550 0 0    
Private Offering            
Debt Instrument            
Debt instrument, principal amount           $ 300,000,000
Debt default conditions            
Discounts upon original issuance   $ 180,000 $ 37,576,000      
2024 Notes            
Debt Instrument            
Debt instrument, conversion principal amount $ 1,000          
Debt amount settled in cash   $ 3,600,000 $ 130,000,000      
Shares issued upon conversion | shares   9,760 419,182      
Debt instrument, principal amount         $ 350,000,000  
Debt default conditions            
Debt instrument, convertible earliest date Jun. 15, 2024          
Loss on extinguishment of debt     $ 10,000,000      
Shares acquired from notes settlement | shares   9,760 419,172      
2024 Notes | Common Stock            
Debt default conditions            
Conversion price per share | $ / shares   $ 211.40        
2024 Notes | Convertible note bond hedges            
Debt Instrument            
Shares issued upon conversion | shares     10      
2024 Notes | Private Offering            
Debt Instrument            
Debt instrument, principal amount $ 350,000,000          
Debt instrument, interest rate 0.00%          
Debt default conditions            
Discounts upon original issuance   $ 180,000 $ 31,577,000      
2024 Notes | Circumstances (1)            
Debt Instrument            
Debt instrument, convertible trading days | D 20          
Debt instrument, convertible consecutive trading days | D 30          
Debt instrument, convertible percentage of stock price 130.00%          
2024 Notes | Circumstances (2)            
Debt Instrument            
Debt instrument, convertible trading days | D 5          
Debt instrument, convertible consecutive trading days | D 10          
Debt instrument, convertible percentage of stock price 98.00%