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Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Sep. 30, 2013
Equity [Abstract]
Out-of-period income tax benefit	$ 3.1
Out-of-period tax benefit related to utilities	$ 2.7

The tax effect of the restatement to correct an error in net income of prior periods for the year in which any adjustments are first made. In statements containing more than one period, disclose the effects for each period.

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