Stockholders' Equity Fiscal Year 2014 Share Repurchase Plan (Details) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014 FiscalYear2014StockRepurchasePlan [Member] [Member]	Jun. 02, 2014 FiscalYear2014StockRepurchasePlan [Member] [Member]
PercentOfSharesReceivedUnderASR	80.00%
Stock Repurchase Program, Authorized Amount				$ 150
Accelerated Share Repurchases, Initial Price Paid Per Share			$ 52.52
Treasury Stock, Value, Acquired, Cost Method		$ 197.6	$ 150.0
Treasury Stock, Shares, Acquired			2,284,844