Nature of Operations and Summary of Significant Accounting Policies Treasury Stock (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Class of Stock [Line Items]
Treasury Stock, Value	$ 700,472	$ 577,781
Treasury Stock, Shares, Acquired	2,048,000
Payments for Repurchase of Common Stock	$ 122,691	$ 175,699	$ 58,126
Treasury Stock, Shares	21,842,632	19,794,559
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased	8,148,000	5,196,000