Stockholders' Equity Fiscal Year 2013 Share Repurchase Plan (Details) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended				1 Months Ended	3 Months Ended	12 Months Ended	1 Months Ended	3 Months Ended		12 Months Ended	13 Months Ended	12 Months Ended	3 Months Ended		13 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Aug. 01, 2013 FiscalYear2013StockRepurchasePlan [Member]	Jun. 30, 2013 FiscalYear2013StockRepurchasePlan [Member]	Sep. 30, 2012 September 2012 Accelerated Share Repurchase [Member]	Mar. 31, 2013 September 2012 Accelerated Share Repurchase [Member]	Jun. 30, 2013 September 2012 Accelerated Share Repurchase [Member]	Mar. 31, 2013 March 2013 Accelerated Share Repurchase [Member]	Sep. 30, 2013 March 2013 Accelerated Share Repurchase [Member]	Sep. 30, 2012 March 2013 Accelerated Share Repurchase [Member]	Jun. 30, 2013 March 2013 Accelerated Share Repurchase [Member]	Jul. 31, 2013 March 2013 Accelerated Share Repurchase [Member]	Jun. 30, 2013 September Open Market Repurchases [Member]	Sep. 30, 2013 Open Market Repurchases [Member]	Sep. 30, 2012 Open Market Repurchases [Member]	Jul. 31, 2013 Open Market Repurchases [Member]
Stock Repurchase Program, Authorized Amount			$ 200
Treasury Stock, Value, Acquired, Cost Method		197.6					50.0		50.0		50.0		50.0	97.6		100.0
Stock Repurchase Program, Remaining Authorized Repurchase Amount				$ 2.4
Treasury Stock, Shares, Acquired					1,328,462	234,898	1,563,360	1,044,932		101,247		1,146,179		2,697,675	51,071	2,748,746
PercentOfSharesReceivedUnderASR	80.00%										80.00%
Treasury Stock Acquired, Average Cost Per Share							$ 31.98				$ 38.28	$ 43.62		$ 36.17		$ 36.38