Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2016	Sep. 30, 2015
Current Assets:
Cash and cash equivalents	$ 89,351	$ 43,569
Accounts receivable, less allowance for doubtful accounts of $871 and $746	87,876	101,784
Inventories	28,138	32,891
Costs and estimated earnings in excess of billings on uncompleted contracts	80,026	104,793
Income taxes receivable	2,822	1,232
Deferred income taxes	4,054	3,910
Prepaid expenses	3,715	5,004
Other current assets	2,978	3,916
Total Current Assets	298,960	297,099
Property, plant and equipment, net	147,810	154,594
Goodwill and intangible assets, net	2,148	2,393
Deferred income taxes	681	2,288
Other assets	10,807	10,117
Long-term receivable (Note D)		2,333
Total Assets	460,406	468,824
Current Liabilities:
Accounts payable	35,925	48,008
Accrued salaries, bonuses and commissions	22,851	19,223
Billings in excess of costs and estimated earnings on uncompleted contracts	43,021	42,057
Current maturities of long-term debt	400	400
Accrued product warranty	4,729	4,930
Other accrued expenses	6,280	7,521
Income taxes payable	1,202	784
Deferred credit ─ short term (Note D)	2,029	2,029
Total Current Liabilities	116,437	124,952
Long-term debt, net of current maturities	2,000	2,400
Deferred compensation	5,562	4,950
Other long-term liabilities	792	723
Deferred credit ─ long term (Note D)	1,015	2,537
Total Liabilities	125,806	135,562
Commitments and Contingencies (Note F)
Stockholders' Equity:
Preferred stock, par value $.01; 5,000,000 shares authorized; none issued
Common stock, par value $.01; 30,000,000 shares authorized; 12,199,511 and 12,100,459 shares issued and outstanding, respectively	122	121
Additional paid-in capital	51,742	48,507
Retained earnings	329,414	328,294
Treasury stock, 806,018 and 670,181 shares at cost, respectively	(24,999)	(21,259)
Accumulated other comprehensive loss	(21,679)	(22,401)
Total Stockholders' Equity	334,600	333,262
Total Liabilities and Stockholders' Equity	$ 460,406	$ 468,824

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.