Financing Arrangements (7.750% Senior Notes) (Details) (USD $)	12 Months Ended			0 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011	Mar. 30, 2012 7.750% Senior Notes [Member]	Mar. 14, 2013 7.750% Senior Notes [Member]	Jun. 14, 2011 7.750% Senior Notes [Member]	Jan. 26, 2011 7.750% Senior Notes [Member]
Debt Instrument [Line Items]
Face amount of notes issued				$ 375,000,000			$ 350,000,000
Cash proceeds from issuance of notes	300,000,000	452,200,000	1,011,200,000	372,200,000
Stated interest rate for notes					7.75%	7.75%	7.75%
Offering price as percentage of principal amount				99.25%
Discount amount of notes issued				$ 2,800,000