| 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) | 2020 | | 2019 | | 2020 | | 2019 | | Income (loss) from continuing operations | $ | 56.0 | | | $ | 36.5 | | | $ | (52.9) | | | $ | 79.4 | | Income from discontinued operations, net of
taxes | — | | | 0.2 | | | 0.1 | | | — | | | Net income (loss) | $ | 56.0 | | | $ | 36.8 | | | $ | (52.8) | | | $ | 79.4 | | | | | | | | | | Weighted-average common and common
equivalent shares outstanding — Basic | 66.9 | | | 66.6 | | | 66.9 | | | 66.5 | | Effect of dilutive securities(1) | | | | | | | | | Restricted stock units | 0.1 | | | 0.2 | | | — | | | 0.2 | | | Stock options | 0.1 | | | 0.1 | | | — | | | 0.1 | | | Performance shares | 0.1 | | | — | | | — | | | — | | Weighted-average common and common
equivalent shares outstanding — Diluted | 67.2 | | | 67.0 | | | 66.9 | | | 66.8 | | | | | | | | | | | Net income (loss) per common share — Basic | | | | | | | | | Income (loss) from continuing operations | $ | 0.84 | | | $ | 0.55 | | | $ | (0.79) | | | $ | 1.19 | | | Income from discontinued operations | — | | | — | | | — | | | — | | | Net income (loss) | $ | 0.84 | | | $ | 0.55 | | | $ | (0.79) | | | $ | 1.19 | | | | | | | | | | | Net income (loss) per common share — Diluted | | | | | | | | | Income (loss) from continuing operations | $ | 0.83 | | | $ | 0.55 | | | $ | (0.79) | | | $ | 1.19 | | | Income from discontinued operations | — | | | — | | | — | | | — | | | Net income (loss) | $ | 0.83 | | | $ | 0.55 | | | $ | (0.79) | | | $ | 1.19 | |
(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) | 2020 | | 2019 | | 2020 | | 2019 | | Anti-dilutive | 0.4 | | | 0.1 | | | 0.6 | | | 0.3 | |
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