v3.26.1
Detail of Selected Balance Sheet Accounts
6 Months Ended
Mar. 31, 2026
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Detail of Selected Balance Sheet Accounts Detail of Selected Balance Sheet Accounts
Inventories
The components of inventories are summarized below (in thousands):
March 31, 2026September 30, 2025
Raw materials, parts and sub-assemblies$92,881 $90,743 
Work-in-progress2,057 2,222 
Provision for excess and obsolete inventories(8,634)(8,246)
Total inventories$86,304 $84,719 

Property, Plant and Equipment
Property, plant and equipment are summarized below (in thousands):
 March 31, 2026September 30, 2025
Land$24,387 $24,436 
Buildings and improvements133,187 133,455 
Machinery and equipment100,534 99,840 
Furniture and fixtures3,530 3,056 
Construction in process5,728 2,110 
$267,366 $262,897 
Less: Accumulated depreciation(155,544)(151,848)
Total property, plant and equipment, net$111,822 $111,049 

There were no assets under finance lease as of March 31, 2026 or September 30, 2025.

Accrued Product Warranty
Activity in our product warranty accrual consisted of the following (in thousands):
 Three months ended March 31,Six months ended March 31,
 2026202520262025
Balance at beginning of period$6,676 $6,106 $6,356 $5,822 
Increase to warranty expense1,694 1,357 3,663 2,854 
Deduction for warranty charges(1,710)(1,192)(3,376)(2,341)
Change due to foreign currency translation(23)13 (6)(51)
Balance at end of period$6,637 $6,284 $6,637 $6,284