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v3.10.0.1

Consolidated Statements of Comprehensive Income - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Net income | $ 1,060.5 | $ 1,204.9 | $ 940.2
Other comprehensive loss, net of tax | (5.5) | 0.0 | (1.7)
Comprehensive income | 1,055.0 | 1,204.9 | 938.5
Preferred stock dividends of subsidiary | 1.2 | 1.2 | 1.2
Comprehensive income attributed to common shareholders | 1,053.8 | 1,203.7 | 937.3
Cash flow hedges |  |  |
Other comprehensive (loss) income, net of tax |  |  |
Cumulative effect adjustment from adoption of ASU 2018-02 | 1.6 | 0.0 | 0.0
Derivatives accounted for as cash flow hedges |  |  |
Net derivative losses, net of tax | (2.1) | 0.0 | 0.0
Reclassification of net gains to net income, net of tax | (1.2) | (1.3) | (1.3)
Cash flow hedges, net | (1.7) | (1.3) | (1.3)
Defined benefit plans |  |  |
Other comprehensive (loss) income, net of tax |  |  |
Cumulative effect adjustment from adoption of ASU 2018-02 | (1.0) | 0.0 | 0.0
Defined benefit plans |  |  |
Pension and OPEB adjustments arising during the period, net of tax of $(1.2), $0.6, and $0.1, respectively | (3.1) | 0.9 | (0.8)
Amortization of pension and OPEB costs included in net periodic benefit cost, net of tax | 0.3 | 0.4 | 0.4
Defined benefit plans, net | $ (3.8) | $ 1.3 | $ (0.4)

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