Stock-Based Awards - Summary of Stock-Based Awards Activity (Details) shares in Thousands | 6 Months Ended |
Jul. 31, 2021$ / sharesshares |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | |
Stock Options, Beginning Balance | shares | 36 |
Stock Options, Exercised/vested | shares | (19) |
Stock Options, Forfeited/expired | shares | (1) |
Stock Options, Ending Balance | shares | 16 |
Stock Options, Weighted Average Exercise Price, Beginning Balance | $ / shares | $ 52.15 |
Stock Options, Weighted Average Exercise Price, Exercised/vested | $ / shares | 55.41 |
Stock Options, Weighted Average Exercise Price, Forfeited/expired | $ / shares | 51.27 |
Stock Options, Weighted Average Exercise Price, Ending Balance | $ / shares | $ 48.25 |
Nonvested Stock Awards [Member] | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | |
Stock Awards/ Share Units, Beginning Balance | shares | 3,451 |
Stock Awards/ Share Units, Granted | shares | 614 |
Stock Awards/ Share Units, Exercised/vested | shares | (1,057) |
Stock Awards/ Share Units, Forfeited/expired | shares | (130) |
Stock Awards/ Share Units, Ending Balance | shares | 2,878 |
Stock Awards/ Share Units, Weighted Average Grant Date Fair Value, Beginning Balance | $ / shares | $ 32.09 |
Stock Awards/ Share Units, Awards/Units, Weighted Average Grant Date Fair Value, Granted | $ / shares | 56.56 |
Stock Awards/ Share Units, Weighted Average Grant Date Fair Value, Exercised/vested | $ / shares | 35.22 |
Stock Awards/ Share Units, Weighted Average Grant Date Fair Value, Forfeited/expired | $ / shares | 33.05 |
Stock Awards/ Share Units, Weighted Average Grant Date Fair Value, Ending Balance | $ / shares | $ 36.12 |
Performance Share Units [Member] | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | |
Stock Awards/ Share Units, Beginning Balance | shares | 1,037 |
Stock Awards/ Share Units, Granted | shares | 211 |
Stock Awards/ Share Units, Exercised/vested | shares | (211) |
Stock Awards/ Share Units, Forfeited/expired | shares | (33) |
Stock Awards/ Share Units, Ending Balance | shares | 1,004 |
Stock Awards/ Share Units, Weighted Average Grant Date Fair Value, Beginning Balance | $ / shares | $ 49.95 |
Stock Awards/ Share Units, Awards/Units, Weighted Average Grant Date Fair Value, Granted | $ / shares | 58.99 |
Stock Awards/ Share Units, Weighted Average Grant Date Fair Value, Exercised/vested | $ / shares | 72.21 |
Stock Awards/ Share Units, Weighted Average Grant Date Fair Value, Forfeited/expired | $ / shares | 30.42 |
Stock Awards/ Share Units, Weighted Average Grant Date Fair Value, Ending Balance | $ / shares | $ 47.82 |