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Detail of Selected Balance Sheet Accounts
 3 Months Ended
Dec. 31, 2024
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):
December 31, 2024September 30, 2024
Raw materials, parts and sub-assemblies$94,785 $92,314 
Work-in-progress1,163 920 
Provision for excess and obsolete inventories(7,840)(7,361)
Total inventories$88,108 $85,873 

Property, Plant and Equipment
Property, plant and equipment are summarized below (in thousands):
 December 31, 2024September 30, 2024
Land$23,684 $24,110 
Buildings and improvements124,474 127,094 
Machinery and equipment93,923 94,889 
Furniture and fixtures2,828 2,885 
Construction in process5,816 3,317 
$250,725 $252,295 
Less: Accumulated depreciation(148,768)(148,874)
Total property, plant and equipment, net$101,957 $103,421 

There were no assets under finance lease as of December 31, 2024 or September 30, 2024.

Accrued Product Warranty
Activity in our product warranty accrual consisted of the following (in thousands):
 Three months ended December 31,
 20242023
Balance at beginning of period$5,822 $3,305 
Increase to warranty expense1,497 1,127 
Deduction for warranty charges(1,149)(774)
Change due to foreign currency translation(64)22 
Balance at end of period$6,106 $3,680