Nature of Operations and Summary of Significant Accounting Policies Treasury Stock (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Jun. 30, 2015
Class of Stock [Line Items]
Treasury Stock, Value	$ 769,714		$ 700,472
Treasury Stock, Shares, Acquired	1,018,000
Payments for Repurchase of Common Stock	$ 69,242	$ 60,544
Treasury Stock, Shares	22,860,851		21,842,632
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased	7,130,000		8,148,000