Contingencies - Schedule of Warranty Reserves (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Movement in Standard Product Warranty Accrual [Roll Forward] | ||||
| Balance at beginning of period | $ 11,202 | $ 11,554 | $ 13,564 | $ 12,717 |
| Warranty provision | 2,494 | 1,521 | 5,994 | 4,766 |
| Warranty expenditures | (1,535) | (2,162) | (7,397) | (6,570) |
| Balance at end of period | $ 12,161 | $ 10,913 | $ 12,161 | $ 10,913 |