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Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) shares in Millions, $ in Millions | Total | Common Stock | Additional Paid-in Capital | Accumulated Other Comprehensive Loss, Net of Taxes | Retained Earnings | Retained Earnings Cumulative Effect, Period of Adoption, Adjustment
--- | --- | --- | --- | --- | --- | ---
Dividends |  |  |  |  |  |
Cumulative effect adjustment for adoption of Accounting Standards Update 2014-09 |  | $ 0.7 | $ 691.8 | $ (9.0) | $ 771.2 |
Balance, beginning of year (in shares) at Oct. 31, 2018 |  | 66.0 |  |  |  |
Balance, beginning of year at Oct. 31, 2018 |  | $ 0.7 | 691.8 | (9.0) | 771.2 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Stock issued under employee stock purchase and share-based compensation plans (in shares) |  | 0.3 |  |  |  |
Stock issued (taxes withheld) under employee stock purchase and share-based compensation plans, net |  | $ 0.0 | 0.0 |  |  |
Repurchase of common stock (in shares) |  | 0.0 |  |  |  |
Repurchase of common stock |  | $ 0.0 | 0.0 |  |  |
Share-based compensation (reversal) expense |  |  | 8.8 |  |  |
Other comprehensive loss |  |  |  | (6.7) |  |
Net income | $ 42.7 |  |  |  | 42.7 |
Dividends |  |  |  |  |  |
Common stock ($0.185, $0.180, $0.370, and $0.360 per share) |  |  |  |  | (23.8) |
Stock issued under share-based compensation plans |  |  |  |  | (0.7) |
Cumulative effect adjustment for adoption of Accounting Standards Update 2014-09 | 1,481.4 | $ 0.7 | 700.6 | (15.7) | 795.9 | $ 6.5
Balance, end of year (in shares) at Apr. 30, 2019 |  | 66.3 |  |  |  |
Balance, end of year at Apr. 30, 2019 | 1,481.4 | $ 0.7 | 700.6 | (15.7) | 795.9 | 6.5
Dividends |  |  |  |  |  |
Cumulative effect adjustment for adoption of Accounting Standards Update 2014-09 |  | $ 0.7 | 694.1 | (12.2) | 778.6 |
Balance, beginning of year (in shares) at Jan. 31, 2019 |  | 66.2 |  |  |  |
Balance, beginning of year at Jan. 31, 2019 |  | $ 0.7 | 694.1 | (12.2) | 778.6 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Stock issued under employee stock purchase and share-based compensation plans (in shares) |  | 0.1 |  |  |  |
Stock issued (taxes withheld) under employee stock purchase and share-based compensation plans, net |  | $ 0.0 | 2.2 |  |  |
Repurchase of common stock (in shares) |  | 0.0 |  |  |  |
Repurchase of common stock |  | $ 0.0 | 0.0 |  |  |
Share-based compensation (reversal) expense |  |  | 4.3 |  |  |
Other comprehensive loss |  |  |  | (3.4) |  |
Net income | 29.7 |  |  |  | 29.7 |
Dividends |  |  |  |  |  |
Common stock ($0.185, $0.180, $0.370, and $0.360 per share) |  |  |  |  | (11.9) |
Stock issued under share-based compensation plans |  |  |  |  | (0.5) |
Cumulative effect adjustment for adoption of Accounting Standards Update 2014-09 | 1,481.4 | $ 0.7 | 700.6 | (15.7) | 795.9 | 6.5
Balance, end of year (in shares) at Apr. 30, 2019 |  | 66.3 |  |  |  |
Balance, end of year at Apr. 30, 2019 | 1,481.4 | $ 0.7 | 700.6 | (15.7) | 795.9 | 6.5
Dividends |  |  |  |  |  |
Cumulative effect adjustment for adoption of Accounting Standards Update 2014-09 | 1,481.4 | 0.7 | 700.6 | (15.7) | 795.9 | $ 6.5
Cumulative effect adjustment for adoption of Accounting Standards Update 2014-09 | 1,542.0 | $ 0.7 | 708.9 | (23.9) | 856.3 |
Balance, beginning of year (in shares) at Oct. 31, 2019 |  | 66.6 |  |  |  |
Balance, beginning of year at Oct. 31, 2019 | $ 1,542.0 | $ 0.7 | 708.9 | (23.9) | 856.3 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Stock issued under employee stock purchase and share-based compensation plans (in shares) |  | 0.2 |  |  |  |
Stock issued (taxes withheld) under employee stock purchase and share-based compensation plans, net |  | $ 0.0 | (0.9) |  |  |
Repurchase of common stock (in shares) | (0.2) | (0.2) |  |  |  |
Repurchase of common stock | $ (5.1) | $ 0.0 | (5.1) |  |  |
Share-based compensation (reversal) expense |  |  | 4.2 |  |  |
Other comprehensive loss |  |  |  | (11.0) |  |
Net income | (108.8) |  |  |  | (108.8) |
Dividends |  |  |  |  |  |
Common stock ($0.185, $0.180, $0.370, and $0.360 per share) |  |  |  |  | (24.6) |
Stock issued under share-based compensation plans |  |  |  |  | (0.5) |
Cumulative effect adjustment for adoption of Accounting Standards Update 2014-09 | 1,542.0 | $ 0.7 | 707.1 | (34.9) | 722.3 |
Balance, end of year (in shares) at Apr. 30, 2020 |  | 66.6 |  |  |  |
Balance, end of year at Apr. 30, 2020 | 1,395.2 | $ 0.7 | 707.1 | (34.9) | 722.3 |
Dividends |  |  |  |  |  |
Cumulative effect adjustment for adoption of Accounting Standards Update 2014-09 |  | $ 0.7 | 711.8 | (24.3) | 871.6 |
Balance, beginning of year (in shares) at Jan. 31, 2020 |  | 66.8 |  |  |  |
Balance, beginning of year at Jan. 31, 2020 |  | $ 0.7 | 711.8 | (24.3) | 871.6 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Stock issued under employee stock purchase and share-based compensation plans (in shares) |  | 0.0 |  |  |  |
Stock issued (taxes withheld) under employee stock purchase and share-based compensation plans, net |  | $ 0.0 | 1.1 |  |  |
Repurchase of common stock (in shares) |  | (0.2) |  |  |  |
Repurchase of common stock |  | $ 0.0 | (5.1) |  |  |
Share-based compensation (reversal) expense |  |  | (0.7) |  |  |
Other comprehensive loss |  |  |  | (10.5) |  |
Net income | (136.8) |  |  |  | (136.8) |
Dividends |  |  |  |  |  |
Common stock ($0.185, $0.180, $0.370, and $0.360 per share) |  |  |  |  | (12.3) |
Stock issued under share-based compensation plans |  |  |  |  | (0.1) |
Cumulative effect adjustment for adoption of Accounting Standards Update 2014-09 | 1,395.2 | $ 0.7 | 707.1 | (34.9) | 722.3 |
Balance, end of year (in shares) at Apr. 30, 2020 |  | 66.6 |  |  |  |
Balance, end of year at Apr. 30, 2020 | 1,395.2 | $ 0.7 | 707.1 | (34.9) | 722.3 |
Dividends |  |  |  |  |  |
Cumulative effect adjustment for adoption of Accounting Standards Update 2014-09 | $ 1,395.2 | $ 0.7 | $ 707.1 | $ (34.9) | $ 722.3 |

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