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SHARE-BASED COMPENSATION PLANS (Tables) | 12 Months Ended
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Oct. 31, 2023
Share-Based Payment Arrangement [Abstract] |
Schedule of Compensation Expense by Type of Award and Related Income Tax Benefit | Compensation Expense by Type of Award and Related Income Tax Benefit
| Years Ended October 31,
(in millions) | 2023 |  | 2022 |  | 2021
RSUs | $ | 17.7 |  |  | $ | 18.5 |  |  | $ | 17.6 |
Performance shares | 12.7 |  |  | 12.0 |  |  | 15.8 |
Share-based compensation expense before income taxes | 30.5 |  |  | 30.5 |  |  | 33.5 |
Income tax benefit | (8.6) |  |  | (8.6) |  |  | (9.4) |
Share-based compensation expense, net of taxes | $ | 21.8 |  |  | $ | 21.9 |  |  | $ | 24.1 |
Schedule of RSU Activity | RSU Activity
| Number of Shares (in millions) |  | Weighted-Average Grant Date Fair Value per Share
Outstanding at October 31, 2022 | 1.0 |  |  | $ | 38.58 |
Granted | 0.5 |  |  | 44.37 |
Vested (including 0.2 shares withheld for income taxes) | (0.4) |  |  | 38.80 |
Forfeited | (0.1) |  |  | 42.71 |
Outstanding at October 31, 2023 | 1.0 |  |  | $ | 41.09 |
Schedule of Performance Share Activity | Performance Share Activity
| Number of Shares (in millions) |  | Weighted-Average Grant Date Fair Value per Share
Outstanding at October 31, 2022 | 1.0 |  |  | $ | 41.30 |
Granted | 0.4 |  |  | 46.47 |
Vested (including 0.1 shares withheld for income taxes) | (0.4) |  |  | 38.08 |
Performance adjustments | — |  |  | 52.78 |
Forfeited | — |  |  | 42.30 |
Outstanding at October 31, 2023 | 0.9 |  |  | $ | 44.43 |
Schedule of Monte Carlo Assumptions | In 2023, 2022, and 2021, we used the Monte Carlo simulation valuation technique to estimate the fair value of TSR performance share grants, which used the assumptions in the table below. Monte Carlo Assumptions
| 2023 |  | 2022 |  | 2021
Expected life(1) | 2.81 years |  | 2.81 years |  | 2.81 years
Expected stock price volatility(2) | 39.9 | % |  | 41.8 | % |  | 42.9 | %
Risk-free interest rate(3) | 4.0 | % |  | 1.1 | % |  | 0.2 | %
Stock price(4) | $ | 46.19 |  |  | $ | 42.88 |  |  | $ | 40.75 |
(1) The expected life represents the remaining performance period of the awards. (2) The expected volatility for each grant is determined based on the historical volatility of our common stock over a period equal to the remaining term of the performance period from the date of grant for all awards. (3) The risk-free interest rate is based on the continuous compounded yield on U.S. Treasury Constant Maturity Rates with varying remaining terms; the yield is determined over a time period commensurate with the performance period from the grant date. (4) The stock price is the closing price of our common stock on the valuation date.
Schedule of Employee Stock Purchase Plan | Employee Stock Purchase Plan
| Years Ended October 31,
(in millions, except per share amounts) | 2023 |  | 2022 |  | 2021
Weighted-average fair value of granted purchase rights per share | $ | 2.23 |  |  | $ | 2.19 |  |  | $ | 2.17 |
Common stock issued | 0.1 |  |  | 0.1 |  |  | 0.1 |
Fair value of common stock issued per share | $ | 42.40 |  |  | $ | 41.68 |  |  | $ | 41.18 |
Aggregate purchases | $ | 3.4 |  |  | $ | 3.4 |  |  | $ | 3.3 |

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