Nature of Operations and Summary of Significant Accounting Policies Treasury Stock (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Jun. 30, 2014
Class of Stock [Line Items]
Treasury Stock, Value	$ 638,325		$ 577,781
Treasury Stock, Shares, Acquired	1,049,000
Payments for Repurchase of Common Stock	$ 60,544	$ 0
Treasury Stock, Shares	20,843,232		19,794,559
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased	4,147,000		5,196,000