XML 80 R68.htm IDEA: XBRL DOCUMENT v3.21.1
EQUITY ARRANGEMENTS (Detail)
1 Months Ended 3 Months Ended
May 15, 2023
$ / shares
Apr. 28, 2021
$ / shares
shares
Jun. 09, 2020
$ / shares
May 15, 2020
$ / shares
Apr. 28, 2021
$ / shares
shares
May 31, 2020
USD ($)
$ / shares
shares
Feb. 29, 2020
$ / shares
shares
Nov. 30, 2019
USD ($)
$ / shares
shares
Mar. 31, 2018
USD ($)
$ / shares
shares
May 31, 2017
USD ($)
counterparty
$ / shares
shares
Mar. 31, 2015
USD ($)
shares
Apr. 03, 2021
USD ($)
financial_institution
$ / shares
shares
Jan. 02, 2021
shares
Nov. 07, 2019
$ / shares
Stockholders Equity Note [Line Items]                            
Forward share purchase contract (in shares) | shares                     3,645,510      
Forward share purchase contract | $                     $ 350,000,000.0      
Equity units issued (in shares) | shares               7,500,000            
Notional value of equity | $               $ 750,000,000.0            
Term of forward purchase contract           3 years   3 years   3 years        
Shares of convertible preferred stock (in shares) | shares                       1,500,000 1,500,000  
Preferred stock conversion rate number of common stock shares (in shares)               $ 5.2263            
Option indexed to issuer's equity, strike price (in dollars per share)               $ 191.34            
Beneficial ownership rate in one share                   10.00%        
Series D Preferred Stock                            
Stockholders Equity Note [Line Items]                            
Shares of convertible preferred stock (in shares) | shares               750,000            
Series C Preferred Stock                            
Stockholders Equity Note [Line Items]                            
Shares of convertible preferred stock (in shares) | shares                   750,000        
Series C Preferred Stock | Subsequent Event                            
Stockholders Equity Note [Line Items]                            
Preferred stock, redemption, price per share (in dollars per share)   $ 1,002.50     $ 1,002.50                  
Preferred stock, redemption price per share, percentage of liquidation preference   100.00%                        
Preferred stock, redemption price per share before redemption date   $ 1,000     $ 1,000                  
2019 Equity Units and Capped call Transactions                            
Stockholders Equity Note [Line Items]                            
Forward share purchase contract (in shares) | shares               4,700,000            
Equity units issued (in shares) | shares               7,500,000            
Notional value of equity | $               $ 750,000,000.0            
Stated value (in dollars per share)               $ 100       $ 159.42   $ 159.45
Purchase price (in dollars per share)               $ 100       100    
Percentage beneficial ownership               10.00%            
Preferred stock, liquidation preference (in dollars per share)               $ 1,000            
Approximate net proceeds | $               $ 735,000,000.0            
Shares of convertible preferred stock (in shares) | shares               750,000            
Preferred stock liquidation preference | $               $ 750,000,000.0            
Proceeds used for capped call transactions | $               $ 19,200,000            
Preferred stock conversion rate number of common stock shares (in shares)               $ 5.2263       5.2272    
Option indexed to issuer's equity, strike price (in dollars per share)               $ 191.34       $ 191.31    
Preferred stock redemption percentage               100.00%            
Maximum settlement rate (in shares) | shares               0.6272       0.6273    
Present value of contract adjustment payments | $               $ 114,200,000            
Shares of stock deliverable on early settlement of contract               85.00%            
2019 Equity Units and Capped call Transactions | 2019 Equity Units                            
Stockholders Equity Note [Line Items]                            
Dividend rate per annum               5.25%            
Present value of contract adjustment payments | $                       $ 66,800,000    
Accretion of interest expense | $               $ 1,300,000            
Contract term               3 years            
2019 Equity Units and Capped call Transactions | Series D Preferred Stock                            
Stockholders Equity Note [Line Items]                            
Dividend rate of preferred stock as a percentage               0.00%            
Proceeds used for capped call transactions | $                       $ 19,200,000    
Preferred stock conversion rate number of common stock shares (in shares)               $ 5.2263            
Upper strike percentage above closing price               30.00%            
Number of common shares purchased under call option (in shares) | shares                       3,900,000    
2019 Equity Units and Capped call Transactions | Series D Preferred Stock | 2019 Capped Call                            
Stockholders Equity Note [Line Items]                            
Proceeds used for capped call transactions | $                       $ 29,200,000    
2019 Equity Units and Capped call Transactions | Series D Preferred Stock | Call Option                            
Stockholders Equity Note [Line Items]                            
Call option, average price (in dollars per share)                       $ 4.90    
2019 Equity Units and Capped call Transactions | Series D Preferred Stock | Maximum                            
Stockholders Equity Note [Line Items]                            
Option indexed to issuer's equity, strike price (in dollars per share)               $ 207.29       207.25    
2019 Equity Units and Capped call Transactions | Series D Preferred Stock | Minimum                            
Stockholders Equity Note [Line Items]                            
Option indexed to issuer's equity, strike price (in dollars per share)               191.34       $ 191.31    
2019 Equity Units and Capped call Transactions | 2022 Purchase Contract                            
Stockholders Equity Note [Line Items]                            
Purchase price (in dollars per share)               $ 100            
Proceeds from settlement of forward stock purchases | $               $ 750,000,000            
2018 Capped Call Transactions | Common Stock                            
Stockholders Equity Note [Line Items]                            
Proceeds used for capped call transactions | $                 $ 57,300,000          
Option term                 3 years          
Number of common shares purchased under call option (in shares) | shares                 3,200,000          
Shares settled (in shares) | shares             600,000              
Shares received on settlement (in shares) | shares             61,767              
Average reference price (in dollars per share)             $ 162.26              
Aggregate fair value of options | $                       $ 71,400,000    
2018 Capped Call Transactions | Common Stock | Subsequent Event                            
Stockholders Equity Note [Line Items]                            
Shares settled (in shares) | shares   2,000,000.0     2,000,000.0                  
Shares received on settlement (in shares) | shares         157,633                  
Average reference price (in dollars per share)         $ 206.03                  
2018 Capped Call Transactions | Call Option | Common Stock                            
Stockholders Equity Note [Line Items]                            
Call option, average price (in dollars per share)                 $ 17.96          
2018 Capped Call Transactions | Maximum | Common Stock                            
Stockholders Equity Note [Line Items]                            
Option indexed to issuer's equity, strike price (in dollars per share)     $ 165.00                 $ 164.67    
2018 Capped Call Transactions | Minimum | Common Stock                            
Stockholders Equity Note [Line Items]                            
Option indexed to issuer's equity, strike price (in dollars per share)                       148.04    
2018 Capped Call Transactions | Series C Preferred Stock                            
Stockholders Equity Note [Line Items]                            
Strike price as a percentage of closing stock price     30.00%                      
2018 Capped Call Transactions | Series C Preferred Stock | Minimum                            
Stockholders Equity Note [Line Items]                            
Option indexed to issuer's equity, strike price (in dollars per share)     $ 148.34                      
2017 Equity Units and Capped call Transactions                            
Stockholders Equity Note [Line Items]                            
Stated value (in dollars per share)                   $ 100        
Purchase price (in dollars per share)                   100        
Preferred stock, liquidation preference (in dollars per share)       $ 1,000           $ 1,000        
Shares of convertible preferred stock (in shares) | shares                   750,000        
Preferred stock liquidation preference | $                   $ 750,000,000.0        
Preferred stock conversion rate number of common stock shares (in shares)           $ 6.7352           6.7548    
Option indexed to issuer's equity, strike price (in dollars per share)                       $ 148.04    
Preferred stock redemption percentage                       100.00%    
Dividend rate per annum           5.375%                
Present value of contract adjustment payments | $           $ 117,100,000                
Accretion of interest expense | $           1,300,000                
Call option, average price (in dollars per share)                   $ 5.43        
Number of common shares purchased under call option (in shares) | shares                   4,600,000        
Preferred dividend rate (in dollars per share)       $ 50.00                    
Proceeds from issuance or sale of equity | $           $ 750,000,000.0       $ 726,000,000.0        
Maximum settlement rate (in shares) | shares           0.7285                
Conversion reference price (in dollars per share)           $ 137.26                
Proceeds used to enter into capped call transactions | $                   25,100,000        
2017 Equity Units and Capped call Transactions | Forecast                            
Stockholders Equity Note [Line Items]                            
Preferred stock, liquidation preference (in dollars per share) $ 1,000                          
Preferred dividend rate (in dollars per share) $ 100.00                          
2017 Equity Units and Capped call Transactions | Call Option                            
Stockholders Equity Note [Line Items]                            
Proceeds used to enter into capped call transactions | $                   $ 25,100,000        
2017 Equity Units and Capped call Transactions | Minimum                            
Stockholders Equity Note [Line Items]                            
Option indexed to issuer's equity, strike price (in dollars per share)           $ 148.47                
2017 Equity Units and Capped call Transactions | Series C Preferred Stock                            
Stockholders Equity Note [Line Items]                            
Equity units issued (in shares) | shares                   7,500,000        
Notional value of equity | $                   $ 750,000,000.0        
Dividend rate of preferred stock as a percentage       5.00%   5.00%       0.00%        
Preferred stock, liquidation preference (in dollars per share)           $ 1,000                
Preferred stock conversion rate number of common stock shares (in shares)                   $ 6.1627        
Number of financial institutions | financial_institution                       3    
Option term                   3 years        
Preferred dividend rate (in dollars per share)           $ 50.00                
Proceeds from issuance or sale of equity | $           $ 750,000,000.0                
Common shares issued (in shares) | shares           5,463,750                
Number of counterparties | counterparty                   3        
Strike price as a percentage of closing stock price                   30.00%        
2017 Equity Units and Capped call Transactions | Series C Preferred Stock | Forecast                            
Stockholders Equity Note [Line Items]                            
Dividend rate of preferred stock as a percentage 10.00%                          
2017 Equity Units and Capped call Transactions | Series C Preferred Stock | Maximum                            
Stockholders Equity Note [Line Items]                            
Option indexed to issuer's equity, strike price (in dollars per share)                   $ 179.53        
2017 Equity Units and Capped call Transactions | Series C Preferred Stock | Minimum                            
Stockholders Equity Note [Line Items]                            
Option indexed to issuer's equity, strike price (in dollars per share)                   $ 162.27