Nature of Operations and Summary of Significant Accounting Policies Treasury Stock (Details) - USD ($) $ in Thousands	6 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Jun. 30, 2014
Class of Stock [Line Items]
Treasury Stock, Value	$ 690,584		$ 577,781
Treasury Stock, Shares, Acquired	1,898,000
Payments for Repurchase of Common Stock	$ 112,803	$ 0
Treasury Stock, Shares	21,692,532		19,794,559
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased	3,298,000		5,196,000