| Schedule of changes in each component of accumulated other comprehensive income (loss) |
The changes in each component of accumulated other comprehensive income were as follows: | | | | | | | | | | | | | | | | | | | | | | | | | Three months ended
March 31, | | Six months ended
March 31, | | | 2026 | | 2025 | | 2026 | | 2025 | | Foreign currency translation: | | | | | | | | | Beginning accumulated foreign currency translation | $ | 268,000 | | | $ | 313,000 | | | $ | 295,000 | | | $ | 220,000 | | Change in cumulative translation adjustment | 39,000 | | | (3,000) | | | 12,000 | | | 90,000 | | | | | | | | | | | | | | | | | | | Net current period other comprehensive (loss) income | 39,000 | | | (3,000) | | | 12,000 | | | 90,000 | | | Ending accumulated foreign currency translation | 307,000 | | | 310,000 | | | 307,000 | | | 310,000 | | | Retirement plans: | | | | | | | | Beginning and ending accumulated retirement plans benefit income | 2,347,000 | | | 1,723,000 | | | 2,347,000 | | | 1,723,000 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Accumulated other comprehensive income, net of taxes | $ | 2,654,000 | | | $ | 2,033,000 | | | $ | 2,654,000 | | | $ | 2,033,000 | |
|