Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2016 |
Mar. 31, 2015 |
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| Statement of Comprehensive Income [Abstract] | ||
| Net income | $ 346.5 | $ 196.1 |
| Derivatives accounted for as cash flow hedges | ||
| Reclassification of gains to net income, net of tax | (0.3) | 0.0 |
| Cash flow hedges, net | (0.3) | 0.0 |
| Other comprehensive loss, net of tax | (0.3) | 0.0 |
| Comprehensive income | 346.2 | 196.1 |
| Preferred stock dividends of subsidiary | 0.3 | 0.3 |
| Comprehensive income attributed to common shareholders | $ 345.9 | $ 195.8 |
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- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of income (loss) from continuing operations attributable to the parent. Also defined as revenue less expenses and taxes from ongoing operations before extraordinary items but after deduction of those portions of income or loss from continuing operations that are allocable to noncontrolling interests. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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- Definition Amount after tax and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount after tax and reclassification adjustments of other comprehensive income (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount after tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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