Financing Arrangements (7.750% Senior Notes) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended		0 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 30, 2012 7.750% Senior Notes [Member]	Mar. 31, 2013 7.750% Senior Notes [Member]	Jan. 25, 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			$ 375.0				$ 350.0
Cash proceeds from issuance of notes	300.0	452.2	372.2
Stated interest rate for notes				7.75%	7.75%	7.75%	7.75%
Offering price as percentage of principal amount			99.25%
Discount amount of notes issued			$ 2.8