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v3.19.3.a.u2

Other Income, Net (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Other Income and Expenses [Abstract] |  |  |
AFUDC – Equity | $ 14.4 | $ 15.2 | $ 11.4
Non-service components of net periodic benefit costs | 36.2 | 26.0 | 9.1
Gains (losses) from investments held in rabbi trust | 21.2 | (1.8) | 21.5
Other, net | 30.4 | 30.9 | 31.7
Other income, net | $ 102.2 | $ 70.3 | $ 73.7

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