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STATEMENTS OF CHANGES IN CONSOLIDATED EQUITY - USD ($) $ in Millions | Total | [CommonStockMember] | [AdditionalPaidInCapitalMember] | [RetainedEarningsMember] | [TreasuryStockMember] | [AccumulatedOtherComprehensiveIncomeMember] | [NoncontrollingInterestMember]
--- | --- | --- | --- | --- | --- | --- | ---
Total Stockholders' Equity at Dec. 31, 2017 | $ 1,844.5 | $ 12.7 | $ 1,596.3 | $ 1,184.3 | $ (26.1) | $ (1,027.8) | $ 105.1
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Net income | 60.5 |  |  | 58.0 |  |  | 2.5
Other comprehensive income | 42.5 |  |  |  |  | 35.6 | 6.9
Cumulative effect of adoption of new accounting standard | 15.5 |  |  | 15.5 |  |  |
Sales of subsidiary shares to noncontrolling interest | 2.7 |  |  |  |  |  | 2.7
Employee stock plans | (2.4) |  | 3.2 | 0.0 | (5.6) |  |
Total Stockholders' Equity at Mar. 31, 2018 | 1,963.3 | 12.7 | 1,599.5 | 1,257.8 | (31.7) | (992.2) | 117.2
Total Stockholders' Equity at Dec. 31, 2018 | 1,991.6 | 12.7 | 1,615.4 | 1,422.0 | (30.6) | (1,133.8) | 105.9
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Net income | 16.3 |  |  | 15.0 |  |  | 1.3
Other comprehensive income | 43.5 |  |  |  |  | 38.3 | 5.2
Employee stock plans | (4.8) |  | (15.7) | 0.0 | 10.9 |  |
Total Stockholders' Equity at Mar. 31, 2019 | $ 2,046.6 | $ 12.7 | $ 1,599.7 | $ 1,437.0 | $ (19.7) | $ (1,095.5) | $ 112.4

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