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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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- Definition Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=68055307&loc=d3e2443-110228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84176398&loc=d3e2941-110230 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition The after-tax gain (loss) resulting from the sale of a disposal group that is not a discontinued operation. + References No definition available. + Details
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