Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation Summary of PSUs (Details)

v3.21.2
Stock-Based Compensation Summary of PSUs (Details) - Performance Shares [Member]
6 Months Ended
Jul. 31, 2021
$ / shares
shares
Number of Shares  
Nonvested, beginning balance (in shares) | shares 423,272
Granted (in shares) | shares 422,524
Vested (in shares) | shares (183,894)
Forfeited (in shares) | shares (40,300)
Nonvested, Ending balance (in shares) | shares 621,602
Weighted Average Grant Date Fair Value  
Nonvested, beginning balance (USD per share) | $ / shares $ 82.67
Granted (USD per share) | $ / shares 95.04
Vested (USD per share) | $ / shares 77.51
Forfeited (USD per share) | $ / shares 94.90
Nonvested, ending balance (USD per share) | $ / shares $ 91.81