XML 94 R80.htm IDEA: XBRL DOCUMENT v3.22.1
Convertible Senior Notes - $300 million 0.00% Convertible Senior Notes due 2020 (Detail) - USD ($)
1 Months Ended 3 Months Ended 12 Months Ended
Oct. 20, 2021
Aug. 29, 2020
Jul. 31, 2020
May 31, 2020
Jul. 31, 2015
Jun. 30, 2015
Aug. 01, 2020
Jan. 29, 2022
Jan. 30, 2021
Feb. 01, 2020
Jun. 30, 2018
Debt Instrument                      
Debt instrument, issuance date Oct. 20, 2021                    
Debt instrument, principal amount $ 2,000,000,000                    
Debt instrument, maturity date Oct. 20, 2028                    
Debt instrument, conversion principal amount                     $ 1,000
Amortization of debt discount               $ 28,816,000 $ 42,372,000 $ 46,245,000  
Debt amount settled in cash               335,729,000 215,846,000 278,560,000  
(Gain) Loss on extinguishment of debt               $ (29,138,000) $ 152,000 $ (6,472,000)  
Shares acquired from notes settlement               0 0    
Common stock issued from settlement of Notes               21,506,967 20,995,387    
Common Stock [Member]                      
Debt Instrument                      
Shares acquired from notes settlement                 600 2,167,396  
Convertible Senior Notes Due 2020 [Member]                      
Debt Instrument                      
Debt instrument, issuance date           Jun. 30, 2015          
Debt instrument, principal amount           $ 300,000,000          
Events of default and acceleration of maturity description           Certain events were also considered “events of default” under the 2020 Notes, which could have resulted in the acceleration of the maturity of the 2020 Notes, as described in the indenture governing the 2020 Notes.          
Debt instrument, effective interest rate           6.47%          
Amortization of debt issuance costs                 $ 600,000 $ 1,200,000  
Amortization of debt discount                 $ 8,900,000 $ 18,000,000  
Aggregate amounts outstanding     $ 291,000,000 $ 9,400,000              
Debt amount settled in cash     $ 291,000,000 $ 9,200,000              
Shares issued upon conversion     1,116,718 14,927              
(Gain) Loss on extinguishment of debt     $ 0       $ 200,000        
Shares acquired from notes settlement   17                  
Convertible Senior Notes Due 2020 [Member] | Common Stock [Member]                      
Debt Instrument                      
Conversion price per share               $ 118.13      
Private Placement [Member] | Convertible Senior Notes Due 2020 [Member]                      
Debt Instrument                      
Debt instrument, principal amount           $ 250,000,000          
Debt instrument, interest rate           0.00%          
Over Allotment Option in Private Placement [Member] | Convertible Senior Notes Due 2020 [Member]                      
Debt Instrument                      
Debt instrument, issuance date         Jul. 31, 2015            
Debt instrument, principal amount         $ 50,000,000            
Convertible Bond Hedge and Warrant Transactions [Member]                      
Debt Instrument                      
Shares issued upon conversion                   167,100  
Convertible Bond Hedge and Warrant Transactions [Member] | Convertible Senior Notes Due 2020 [Member]                      
Debt Instrument                      
Debt instrument, issuance date           Jun. 30, 2015          
Shares issued upon conversion                 1,386,580    
Shares received upon exercise of warrants     1,116,735 14,927              
Convertible Bond Hedge and Warrant Transactions [Member] | Convertible Senior Notes Due 2020 [Member] | Common Stock [Member]                      
Debt Instrument                      
Conversion price per share         $ 118.13            
Shares issued upon conversion               2,540,000