Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2025	Jun. 30, 2024
Statement of Financial Position [Abstract]
Trade receivables, allowance for doubtful accounts	$ 1,790	$ 2,440
Common stock, par value	$ 1	$ 1
Common stock, authorized	15,000,000	15,000,000
Common stock, issued	8,514,000	8,407,000
Common stock, outstanding	5,307,000	5,200,000
Treasury stock, shares	3,207,158	3,207,000