XML 43 R30.htm IDEA: XBRL DOCUMENT v3.21.2
Management Incentive Plan and Stock-Based Compensation (Unvested Restricted Stock, RSU, and Performance Shares Activity) (Details) - Restricted Stock, Restricted Stock Units, and Performance Shares
shares in Thousands
6 Months Ended
Jul. 31, 2021
$ / shares
shares
Number of shares  
Beginning balance (in shares) | shares 4,230
Awarded (in shares) | shares 994
Released (in shares) | shares (1,062)
Forfeited (in shares) | shares (106)
Ending balance (in shares) | shares 4,056
Weighted-average grant date fair value  
Beginning balance (in dollars per share) | $ / shares $ 85.15
Awarded (in dollars per share) | $ / shares 122.36
Released (in dollars per share) | $ / shares 75.19
Forfeited (in dollars per share) | $ / shares 94.62
Ending balance (in dollars per share) | $ / shares $ 96.67