Annual report pursuant to Section 13 and 15(d)

Discontinued Operations and Disposals - Cash Flow Information (Details)

v3.22.2.2
Discontinued Operations and Disposals - Cash Flow Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Reversal of allowance for doubtful accounts, net $ (32) $ 44 $ 24
Loss on sale of subsidiary     (13,709)
Tempress and SoLayTec | Discontinued Operations, Held-for-sale      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Loss from discontinued operations, net of tax     (11,816)
Depreciation and amortization     180
Reversal of allowance for doubtful accounts, net     (62)
Loss on sale of subsidiary     (10,916)
Purchases of property, plant and equipment     $ 1