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CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Millions | Total | Common Stock | Additional Paid-in Capital | Retained Earnings | Accumulated Other Comprehensive Income (Loss) | Common Stock in Treasury, at Cost
--- | --- | --- | --- | --- | --- | ---
Balance at Sep. 30, 2018 | $ 2,513.5 | $ 0.7 | $ 814.8 | $ 2,007.9 | $ (106.8) | $ (203.1)
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification | Accounting Standards Update 2014-09 | (60.4) |  |  | (60.4) |  |
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification | Accounting Standards Update 2016-16 | 44.5 |  |  | 44.5 |  |
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification | Accounting Standards Update 2018-02 |  |  |  | 9.1 | (9.1) |
Balance at Oct. 01, 2018 | 2,497.6 | 0.7 | 814.8 | 2,001.1 | (115.9) | (203.1)
Balance at Sep. 30, 2018 | 2,513.5 | 0.7 | 814.8 | 2,007.9 | (106.8) | (203.1)
Net income | 237.5 |  |  | 237.5 |  |
Employee pension and postretirement benefits | (3.8) |  |  |  | (3.8) |
Currency translation adjustments | (15.7) |  |  |  | (15.7) |
Cash dividends | (38.3) |  |  | (38.3) |  |
Repurchases of Common Stock | (195.0) |  |  |  |  | (195.0)
Exercise of stock options | 8.6 |  | (7.4) |  |  | 16.0
Stock-based compensation expense | 15.3 |  | 15.3 |  |  |
Payment of stock-based restricted and performance shares |  |  | (24.2) |  |  | 24.2
Other | 0.8 |  | (0.4) |  | (0.2) | 1.4
Balance at Mar. 31, 2019 | 2,499.7 | 0.7 | 798.1 | 2,200.3 | (135.6) | (363.8)
Shares tendered for taxes on stock-based compensation | (7.3) |  |  |  |  | (7.3)
Balance at Dec. 31, 2018 | 2,411.2 | 0.7 | 797.6 | 2,090.8 | (124.7) | (353.2)
Net income | 128.5 |  |  | 128.5 |  |
Employee pension and postretirement benefits | (3.8) |  |  |  | (3.8) |
Currency translation adjustments | (6.9) |  |  |  | (6.9) |
Cash dividends | (19.0) |  |  | (19.0) |  |
Repurchases of Common Stock | (25.0) |  |  |  |  | (25.0)
Exercise of stock options | 6.9 |  | (5.6) |  |  | 12.5
Stock-based compensation expense | 7.4 |  | 7.4 |  |  |
Payment of stock-based restricted and performance shares |  |  | (0.9) |  |  | 0.9
Other | 0.8 |  | (0.4) |  | (0.2) | 1.4
Balance at Mar. 31, 2019 | 2,499.7 | 0.7 | 798.1 | 2,200.3 | (135.6) | (363.8)
Shares tendered for taxes on stock-based compensation | (0.4) |  |  |  |  | (0.4)
Balance at Sep. 30, 2019 | 2,599.8 | 0.7 | 808.5 | 2,505.0 | (201.6) | (512.8)
Net income | 144.3 |  |  | 144.3 |  |
Employee pension and postretirement benefits | 1.4 |  |  |  | 1.4 |
Currency translation adjustments | (8.9) |  |  |  | (8.9) |
Cash dividends | (40.9) |  |  | (40.9) |  |
Repurchases of Common Stock | (40.8) |  |  |  |  | (40.8)
Exercise of stock options | 23.6 |  | (10.7) |  |  | 34.3
Stock-based compensation expense | 17.7 |  | 17.7 |  |  |
Payment of stock-based restricted and performance shares |  |  | (18.2) |  |  | 18.2
Other | 1.3 |  | (2.3) |  | 0.2 | 3.4
Balance at Mar. 31, 2020 | 2,689.0 | 0.7 | 795.0 | 2,608.4 | (208.9) | (506.2)
Shares tendered for taxes on stock-based compensation | (8.5) |  |  |  |  | (8.5)
Balance at Dec. 31, 2019 | 2,681.1 | 0.7 | 794.1 | 2,560.3 | (181.9) | (492.1)
Net income | 68.6 |  |  | 68.6 |  |
Employee pension and postretirement benefits | 0.7 |  |  |  | 0.7 |
Currency translation adjustments | (28.4) |  |  |  | (28.4) |
Cash dividends | (20.5) |  |  | (20.5) |  |
Repurchases of Common Stock | (31.4) |  |  |  |  | (31.4)
Exercise of stock options | 8.8 |  | (4.8) |  |  | 13.6
Stock-based compensation expense | 8.3 |  | 8.3 |  |  |
Payment of stock-based restricted and performance shares |  |  | (0.3) |  |  | 0.3
Other | 1.8 |  | (2.3) |  | 0.7 | 3.4
Balance at Mar. 31, 2020 | $ 2,689.0 | $ 0.7 | $ 795.0 | $ 2,608.4 | $ (208.9) | $ (506.2)

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