Earnings Per Share (Narrative) (Details) (USD $) In Millions, except Share data, unless otherwise specified	1 Months Ended		12 Months Ended				0 Months Ended
	Jul. 31, 2012	Jun. 30, 2012 item	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2013 Warrants [Member]	Aug. 29, 2011 Bank Of America [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Dilutive effect of the Notes			17,000	700,000	1,900,000
Notes conversion price			$ 54.65
Warrant's exercise price						68.31
Common stock to repurchase initial, value							$ 209.7
Stock repurchase plan, shares authorized		4,000,000		4,000,000			4,000,000
Average price per share							$ 56.51
Number of repurchase plans		2
Repurchases of common stock, shares	2,000,000	2,000,000
Common stock repurchased, average price per share			$ 53.72
Common stock authorization to repurchase remaining, value							16.3
Common stock authorization to repurchase, value							$ 226.0