Consolidated Statements of Shareholders' Equity Parentheticals - $ / shares	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Statement of Stockholders' Equity [Abstract]
Issuance of non-restricted stock (in shares)	45,000	45,000	34,000
Conversion of Class A to Class B common stock (in shares)	5,000	5,000	58,000
Performance Share Issuance (in shares)			67,000
Restricted Share Units Issuance (in shares)	204,000	163,000	99,000
Relative total shareholder return performance units issuance (in shares)	5,000	32,000	48,000
Repurchase of common stock (in shares)	285,000	278,000	146,000
Dividends declared (in dollars per share)	$ 0.36	$ 0.36	$ 0.36