Discontinued Operations - Assets and Liabilities Held for Sale (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Sep. 30, 2024
Current assets:
Total current assets	$ 0	$ 15,967
Current liabilities:
Total current liabilities	$ 0	10,058
Discontinued Operations, Held-for-Sale | C Blade
Current assets:
Cash and cash equivalents		1,009
Short-term investments		1,114
Receivables, net		6,259
Inventories, net		6,185
Prepaid expenses and other current assets		1,400
Total current assets		15,967
Property, plant and equipment, net		6,625
Operating lease right-of-use assets, net		113
Intangible assets, net		126
Total assets held for sale		22,831
Current liabilities:
Current maturities of long-term debt		3,843
Short-term operating lease liabilities		40
Accounts payable		2,770
Accrued liabilities		3,405
Total current liabilities		10,058
Long-term debt, net		3,536
Long-term operating lease liabilities		71
Deferred income taxes, net		1
Pension liability		282
Total liabilities held for sale		$ 13,948