CONSOLIDATED BALANCE SHEETS (Parentheticals) - $ / shares	Jun. 30, 2023	Jun. 30, 2022
Statement of Financial Position [Abstract]
Preferred stock, par value (in dollars per share)	$ 0.10	$ 0.10
Preferred stock, shares authorized (in shares)	10,000,000	10,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.10	$ 0.10
Common stock, shares authorized (in shares)	80,000,000	80,000,000
Common stock, shares issued (in shares)	42,923,000	42,820,000
Common stock, shares outstanding (in shares)	22,797,000	23,416,000
Treasury stock at cost (in shares)	20,126,000	19,404,000