XML 65 R51.htm IDEA: XBRL DOCUMENT v3.21.1
Convertible Senior Notes - Additional Information (Details)
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2020
USD ($)
d
$ / shares
Jun. 30, 2019
USD ($)
d
$ / shares
Jun. 30, 2018
d
Apr. 30, 2021
USD ($)
$ / shares
$ / shares
shares
Apr. 30, 2020
USD ($)
Jul. 31, 2020
USD ($)
Jul. 31, 2018
USD ($)
Jan. 31, 2021
USD ($)
shares
Jan. 31, 2019
USD ($)
$ / shares
Debt Instrument [Line Items]                  
Multiples of principal amount $ 1,000 $ 1,000             $ 1,000
Interest expense       $ 27,400,000 $ 11,900,000        
Coupon interest expense       1,500,000 $ 400,000        
0.375% Convertible Senior Notes Due 2026                  
Debt Instrument [Line Items]                  
Debt instrument, principal amount       $ 1,380,000,000       $ 1,380,000,000  
Net proceeds from issuance of convertible notes $ 1,162,300,000                
Debt instrument, initial conversion rate of shares of common stock per $1,000 principal 3.3732                
Debt instrument, initial conversion price per share (in dollars per share) | $ / shares $ 296.45                
Debt instrument, interest rate       0.375%          
Debt instrument, fundamental change, repurchase price, equals to principal amount of convertible notes 100.00%                
Debt conversion, shares issued (in shares) | shares       4,700,000          
Effective interest rate of the liability component, excluding notes conversions options       8.83%          
Remaining life period       5 years 1 month 6 days          
0.375% Convertible Senior Notes Due 2026 | Capped Call Options                  
Debt Instrument [Line Items]                  
Purchase price of capped call options       $ 192,800,000          
Capped call exercise price (in dollars per share) | $ / shares       503.42          
0.375% Convertible Senior Notes Due 2026 | Common Stock                  
Debt Instrument [Line Items]                  
Debt instrument, initial conversion price per share (in dollars per share) | $ / shares       $ 296.45          
0.375% Convertible Senior Notes Due 2026 | Conversion Notes Holders Conversion Rights, Circumstances 1                  
Debt Instrument [Line Items]                  
Debt instrument, convertible, threshold percentage of sales price of common stock 130.00%                
Debt instrument, convertible, threshold trading/business days | d 20                
Debt instrument, convertible, threshold consecutive trading days | d 30                
0.375% Convertible Senior Notes Due 2026 | Private Placement                  
Debt Instrument [Line Items]                  
Debt instrument, principal amount       $ 1,380,000,000.0       62,500,000  
Debt instrument, interest rate 0.375%                
0.125% Convertible Senior Notes Due 2025                  
Debt Instrument [Line Items]                  
Debt instrument, principal amount   805,000,000.0   $ 804,997,000       804,999,000  
Net proceeds from issuance of convertible notes   $ 667,400,000              
Debt instrument, initial conversion rate of shares of common stock per $1,000 principal   6.2658              
Debt instrument, initial conversion price per share (in dollars per share) | $ / shares   $ 159.60              
Debt instrument, interest rate       0.125%          
Debt instrument, fundamental change, repurchase price, equals to principal amount of convertible notes   100.00%              
Debt conversion, shares issued (in shares) | shares       5,000,000.0          
Effective interest rate of the liability component, excluding notes conversions options       7.05%          
If-converted value in excess of principal amount       $ 552,000,000.0   $ 757,900,000      
Remaining life period       4 years 1 month 6 days          
0.125% Convertible Senior Notes Due 2025 | Capped Call Options                  
Debt Instrument [Line Items]                  
Purchase price of capped call options       $ 118,700,000          
Capped call exercise price (in dollars per share) | $ / shares       295.55          
0.125% Convertible Senior Notes Due 2025 | Common Stock                  
Debt Instrument [Line Items]                  
Debt instrument, initial conversion price per share (in dollars per share) | $ / shares $ 296.45 $ 159.60   $ 159.60         $ 44.51
0.125% Convertible Senior Notes Due 2025 | Conversion Notes Holders Conversion Rights, Circumstances 1                  
Debt Instrument [Line Items]                  
Debt instrument, convertible, threshold percentage of sales price of common stock   130.00%              
Debt instrument, convertible, threshold trading/business days | d   20              
Debt instrument, convertible, threshold consecutive trading days | d   30              
0.125% Convertible Senior Notes Due 2025 | Private Placement                  
Debt Instrument [Line Items]                  
Debt instrument, principal amount       $ 805,000,000.0          
0.375% Convertible Senior Notes Due 2023                  
Debt Instrument [Line Items]                  
Debt instrument, principal amount       $ 5,877,000       8,832,000 $ 230,000,000.0
Net proceeds from issuance of convertible notes             $ 200,400,000    
Debt instrument, initial conversion rate of shares of common stock per $1,000 principal             22.4685    
Debt instrument, initial conversion price per share (in dollars per share) | $ / shares                 $ 44.5068
Debt instrument, interest rate       0.375%          
Debt instrument, fundamental change, repurchase price, equals to principal amount of convertible notes     100.00%            
Debt conversion, principal amount       $ 3,000,000.0       132,100,000  
Debt conversion, shares issued (in shares) | shares       100,000          
Debt instrument, fair value       $ 13,800,000       $ 410,000,000.0  
Debt instrument, cancellation of principal amount       89,000,000.0          
Gain (loss) on conversion and cancellation of debt       $ 100,000          
Effective interest rate of the liability component, excluding notes conversions options       7.66%          
If-converted value in excess of principal amount       $ 29,600,000   $ 52,700,000      
Remaining life period       1 year 8 months 12 days          
0.375% Convertible Senior Notes Due 2023 | Capped Call Options                  
Debt Instrument [Line Items]                  
Purchase price of capped call options       $ 23,300,000          
Capped call exercise price (in dollars per share) | $ / shares       63.821          
0.375% Convertible Senior Notes Due 2023 | Common Stock                  
Debt Instrument [Line Items]                  
Debt instrument, initial conversion price per share (in dollars per share) | $ / shares       $ 44.51          
Debt conversion, shares issued (in shares) | shares       56,923       2,200,000  
0.375% Convertible Senior Notes Due 2023 | Conversion Notes Holders Conversion Rights, Circumstances 1                  
Debt Instrument [Line Items]                  
Debt instrument, convertible, threshold percentage of sales price of common stock     130.00%            
Debt instrument, convertible, threshold trading/business days | d     20            
Debt instrument, convertible, threshold consecutive trading days | d     30            
0.375% Convertible Senior Notes Due 2023 | $125.0 Million Principal Amount of Notes Converted                  
Debt Instrument [Line Items]                  
Cash payment       $ 3,000,000.0          
0.375% Convertible Senior Notes Due 2023 | $89.0 Million Principal Amount of Notes Cancelled                  
Debt Instrument [Line Items]                  
Cash payment       $ 450,600,000