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Detail of Selected Balance Sheet Accounts (Tables)

12 Months Ended

Sep. 30, 2016

Disclosure Text Block Supplement [Abstract]

Activity in Allowance for Doubtful Accounts

Activity in our allowance for doubtful accounts consisted of the following (in thousands):

	September 30,
	2016				2015
Balance at beginning of period	$	746			$	1,577
Bad debt expense (recovery)		187				(29	)
Uncollectible accounts written off, net of recoveries		(120	)			(749	)
Change due to foreign currency translation		(2	)			(53	)
Balance at end of period	$	811			$	746

Components of Inventories

The components of inventories are summarized below (in thousands):

	September 30,
	2016				2015
Raw materials, parts and subassemblies	$	29,639			$	36,575
Work-in-progress		996				1,084
Provision for excess and obsolete inventory		(4,114	)			(4,768	)
Total inventories	$	26,521			$	32,891

Cost and Estimated Earnings on Uncompleted Contracts

The components of costs and estimated earnings and related amounts billed on uncompleted contracts are summarized below (in thousands):

	September 30,
	2016				2015
Costs incurred on uncompleted contracts	$	1,088,921			$	912,237
Estimated earnings		350,125				271,640
		1,439,046				1,183,877
Less: Billings to date		(1,416,914	)			(1,121,141	)
Net underbilled position	$	22,132			$	62,736
Included in the accompanying balance sheets under the following captions:
Costs and estimated earnings in excess of billings on uncompleted contracts – underbilled	$	66,106			$	104,793
Billings in excess of costs and estimated earnings on uncompleted contracts – overbilled		(43,974	)			(42,057	)
Net underbilled position	$	22,132			$	62,736

Schedule of Property, Plant and Equipment

Property, plant and equipment are summarized below (in thousands):

	September 30,								Range of
	2016				2015				Asset Lives
Land	$	22,107			$	22,380			—
Buildings and improvements		119,512				120,983			3 - 39 Years
Machinery and equipment		103,268				100,306			3 - 15 Years
Furniture and fixtures		3,806				3,564			3 - 10 Years
Construction in process		1,009				1,013			—
	$	249,702			$	248,246
Less: Accumulated depreciation		(104,725	)			(93,652	)
Total property, plant and equipment, net	$	144,977			$	154,594

Activity in Warranty Accrual

Activity in our warranty accrual consisted of the following (in thousands):

	September 30,
	2016				2015
Balance at beginning of period	$	4,930			$	4,557
Increase to warranty expense		4,249				3,364
Deduction for warranty charges		(4,464	)			(2,738	)
Change due to foreign currency translation		(76	)			(253	)
Balance at end of period	$	4,639			$	4,930

X

- Definition

Tabular disclosure of financing receivables (examples of financing receivables include loans, trade accounts receivable and notes receivable) and activity in the allowance for credit losses account.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
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Tabular disclosure for billings on uncompleted contracts in excess of costs and costs of uncompleted contracts in excess of billings.

+ References

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Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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+ References

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