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Detail Of Selected Balance Sheet Accounts (Tables)

12 Months Ended

Sep. 30, 2012

Detail Of Selected Balance Sheet Accounts [Abstract]

Activity In Allowance For Doubtful Accounts


	September 30,
	2012	2011
Balance at beginning of year	$ 391	$ 907
Increase (decrease) to bad debt expense	842	(114)
Deductions for uncollectible accounts written off, net of recoveries	142	(394)
Increase (decrease) due to foreign currency translation	24	(8)
Balance at end of year	$ 1,399	$ 391

Activity In Product Warranty Accrual


	September 30,
	2012	2011
Balance at beginning of year	$ 4,603	$ 5,929
Increase to warranty expense	3,624	788
Deductions for warranty charges	(2,323)	(2,432)
Increase (decrease) due to foreign currency translation	(190)	318
Balance at end of year	$ 5,714	$ 4,603

Components Of Inventories


	September 30,
	2012	2011
Raw materials, parts and subassemblies	$ 33,632	$ 38,400
Work-in-progress	6,422	5,892
Provision for excess and obsolete inventory	(7,137)	(7,652)
Total inventories	$ 32,917	$ 36,640

Cost And Estimated Earnings On Uncompleted Contracts


	September 30,
	2012	2011
Costs incurred on uncompleted contracts	$ 635,714	$ 475,525
Estimated earnings	168,480	131,367
	804,194	606,892
Less: Billings to date	754,604	599,847
Net underbilled position	$ 49,590	$ 7,045

Included in the accompanying balance sheets under the following captions:
Costs and estimated earnings in excess of billings on uncompleted contracts – underbilled	$ 86,734	$ 51,568
Billings in excess of costs and estimated earnings on uncompleted contracts – overbilled	(37,144)	(44,523)
Net underbilled position	$ 49,590	$ 7,045

Schedule Of Property, Plant And Equipment


	September 30,		Range of
	2012	2011	Asset Lives
Land	$ 24,766	$ 7,640	—
Buildings and improvements	55,431	54,321	3 - 39 Years
Machinery and equipment	67,007	62,456	3 - 15 Years
Furniture and fixtures	2,940	3,203	3 - 10 Years
Construction in process	7,224	2,625	—
	157,368	130,245
Less: Accumulated depreciation	(78,716)	(70,608)
Total property, plant and equipment, net	$ 78,652	$ 59,637

- Definition

Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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