Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012
Internal Revenue Service (IRS) [Member]
Income Tax [Line Items]
Effective income tax rate	41.30%	62.30%	42.20%
Pennsylvania House Bill No. 465 [Member]
Income Tax [Line Items]
Unrecognized tax benefits, resulting from change in law		$ 3.2