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Inventories (Tables) | 9 Months Ended
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Jun. 30, 2019
Inventory Disclosure [Abstract] |
Inventories | Inventories consist of the following (in thousands):
|  | June 30, 2019 |  |  | September 30, 2018 |
Finished goods |  | $ | 19,713 |  |  | $ | 18,802 |
Work in process |  |  | 5,321 |  |  |  | 7,926 |
Raw material |  |  | 55,933 |  |  |  | 54,290 |
Obsolescence reserve |  |  | (31,699 | ) |  |  | (30,551 | )
|  |  | 49,268 |  |  |  | 50,467 |
Less current portion |  |  | (17,003 | ) |  |  | (18,812 | )
Non-current portion |  | $ | 32,265 |  |  | $ | 31,655 |

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