Nature of Operations and Summary of Significant Accounting Policies Treasury Stock (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Jun. 30, 2016
Class of Stock Disclosures [Abstract]
Treasury Stock, Value	$ 937,473		$ 876,134
Treasury Stock, Shares, Acquired	700,000
Payments for Repurchase of Common Stock	$ 61,338	$ 69,242
Treasury Stock, Shares	24,908,692		24,208,517
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased	5,082,000		5,782,000