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NET INCOME (LOSS) PER COMMON SHARE | 9 Months Ended
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Jul. 31, 2022
Earnings Per Share [Abstract] |
NET INCOME (LOSS) PER COMMON SHARE | NET INCOME (LOSS) PER COMMON SHARE Basic and Diluted Net Income (Loss) Per Common Share Calculations
| Three Months Ended July 31, |  | Nine Months Ended July 31,
(in millions, except per share amounts) | 2022 |  | 2021 |  | 2022 |  | 2021
Net income (loss) | $ | 56.8 |  |  | $ | (13.7) |  |  | $ | 181.6 |  |  | $ | 92.0 |
Weighted-average common and common equivalent shares outstanding — Basic | 66.8 |  |  | 67.5 |  |  | 67.3 |  |  | 67.3 |
Effect of dilutive securities(1) |  |  |  |  |  |  |
Restricted stock units | 0.3 |  |  | — |  |  | 0.2 |  |  | 0.4 |
Performance shares | 0.1 |  |  | — |  |  | 0.1 |  |  | 0.1 |
Weighted-average common and common equivalent shares outstanding — Diluted | 67.2 |  |  | 67.5 |  |  | 67.7 |  |  | 67.8 |
Net income (loss) per common share |  |  |  |  |  |  |
Basic | $ | 0.85 |  |  | $ | (0.20) |  |  | $ | 2.70 |  |  | $ | 1.37 |
Diluted | $ | 0.85 |  |  | $ | (0.20) |  |  | $ | 2.68 |  |  | $ | 1.36 |
(1) Excludes the impact of potentially dilutive outstanding share-based securities that are excluded from the calculation of diluted loss per share in periods when we have a loss, as their inclusion would have an anti-dilutive effect. Such impact is included in the table below. Anti-Dilutive Outstanding Stock Awards Issued Under Share-Based Compensation Plans
| Three Months Ended July 31, |  | Nine Months Ended July 31,
(in millions) | 2022 |  | 2021 |  | 2022 |  | 2021
Anti-dilutive | — |  |  | — |  |  | — |  |  | — |

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