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Dispositions (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Jun. 30, 2016 | Mar. 31, 2016
Wisconsin | WE |  |
Dispositions |  |
After-tax gain on sale | $ 6.5 |
Wisconsin | WE | Other operation and maintenance |  |
Dispositions |  |
Pre-tax gain on sale | 10.9 |
Corporate and Other | Wisvest |  |
Dispositions |  |
After-tax gain on sale | 11.8 |
Corporate and Other | Wisvest | Other income, net |  |
Dispositions |  |
Pre-tax gain on sale | $ 19.6 |
Corporate and Other | ITF |  |
Dispositions |  |
Pre-tax gain on sale |  | $ 0.0

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