Nature of Operations and Summary of Significant Accounting Policies Treasury Stock (Details) - USD ($) $ in Thousands	6 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Jun. 30, 2023
Class of Stock Disclosures [Abstract]
Treasury Stock, Common, Shares	31,323,119		31,194,351
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased	3,667,000		3,796,000
Treasury Stock, Value	$ 1,852,118		$ 1,832,118
Treasury Stock, Shares, Acquired	129,000	0