Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Summary of Common Stock and Treasury Stock Issued (Details)

v3.22.1
Stockholders' Equity - Summary of Common Stock and Treasury Stock Issued (Details) - shares
 12 Months Ended
Feb. 28, 2022
Feb. 28, 2021
Feb. 29, 2020
Class A Stock      
Increase (Decrease) in Stockholders' Equity [Roll Forward]      
Common Stock, beginning of period (in shares) 187,204,280    
Treasury Stock, beginning of period (in shares) 17,070,550    
Number of shares repurchased (in shares) 6,179,015 0 265,593
Common Stock, end of period (in shares) 187,263,859 187,204,280  
Treasury Stock, end of period (in shares) 22,824,607 17,070,550  
Class B Stock      
Increase (Decrease) in Stockholders' Equity [Roll Forward]      
Common Stock, beginning of period (in shares) 28,270,288    
Treasury Stock, beginning of period (in shares) 5,005,800    
Common Stock, end of period (in shares) 28,212,340 28,270,288  
Treasury Stock, end of period (in shares) 5,005,800 5,005,800  
Class 1 Stock      
Increase (Decrease) in Stockholders' Equity [Roll Forward]      
Common Stock, beginning of period (in shares) 612,936    
Common Stock, end of period (in shares) 2,248,679 612,936  
Common Stock | Class A Stock      
Increase (Decrease) in Stockholders' Equity [Roll Forward]      
Common Stock, beginning of period (in shares) 187,204,280 186,090,745 185,740,178
Conversion of shares (in shares) 59,579 1,113,535 350,567
Common Stock, end of period (in shares) 187,263,859 187,204,280 186,090,745
Common Stock | Class B Stock      
Increase (Decrease) in Stockholders' Equity [Roll Forward]      
Common Stock, beginning of period (in shares) 28,270,288 28,300,206 28,322,419
Conversion of shares (in shares) 57,948 29,918 22,213
Common Stock, end of period (in shares) 28,212,340 28,270,288 28,300,206
Common Stock | Class 1 Stock      
Increase (Decrease) in Stockholders' Equity [Roll Forward]      
Common Stock, beginning of period (in shares) 612,936 1,692,227 1,149,624
Conversion of shares (in shares) 1,631 1,083,617 328,354
Exercise of stock options (in shares) 1,637,374 4,326 870,957
Common Stock, end of period (in shares) 2,248,679 612,936 1,692,227
Treasury Stock | Class A Stock      
Increase (Decrease) in Stockholders' Equity [Roll Forward]      
Treasury Stock, beginning of period (in shares) 17,070,550 18,256,826 18,927,966
Number of shares repurchased (in shares) 6,179,015   265,593
Exercise of stock options (in shares) 287,873 1,020,853 747,527
Employee stock purchases (in shares) (57,738) (67,801) (69,324)
Treasury Stock, end of period (in shares) 22,824,607 17,070,550 18,256,826
Treasury Stock | Class A Stock | Restricted Stock Units      
Increase (Decrease) in Stockholders' Equity [Roll Forward]      
Vesting of stock units (in shares) (71,413) (80,287) (91,311)
Shares withheld to satisfy tax withholding requirements (in shares) 36,213 37,933 49,900
Treasury Stock | Class A Stock | Performance Share Units      
Increase (Decrease) in Stockholders' Equity [Roll Forward]      
Vesting of stock units (in shares) (7,934) (17,335) (29,015)
Shares withheld to satisfy tax withholding requirements (in shares) 4,565 9,433 17,439
Treasury Stock | Class A Stock | Restricted Stock Awards      
Increase (Decrease) in Stockholders' Equity [Roll Forward]      
Cancellation of restricted shares (in shares)     (444)
Treasury Stock | Class B Stock      
Increase (Decrease) in Stockholders' Equity [Roll Forward]      
Treasury Stock, beginning of period (in shares) 5,005,800 5,005,800 5,005,800
Treasury Stock, end of period (in shares) 5,005,800 5,005,800 5,005,800