CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2016	Sep. 30, 2015
Current Assets:
Cash and cash equivalents	$ 97,720	$ 43,569
Accounts receivable, less allowance for doubtful accounts of $811 and $746	101,048	101,784
Costs and estimated earnings in excess of billings on uncompleted contracts	66,106	104,793
Inventories	26,521	32,891
Income taxes receivable	1,713	1,232
Deferred income taxes	4,006	3,910
Prepaid expenses	4,569	5,004
Other current assets	2,457	3,916
Total Current Assets	304,140	297,099
Property, plant and equipment, net	144,977	154,594
Goodwill and intangible assets, net	2,059	2,393
Other assets	11,340	10,117
Deferred income taxes		2,288
Long-term receivable (Note E)		2,333
Total Assets	462,516	468,824
Current Liabilities:
Current maturities of long-term debt	400	400
Income taxes payable	1,459	784
Accounts payable	34,985	48,008
Accrued salaries, bonuses and commissions	22,550	19,223
Billings in excess of costs and estimated earnings on uncompleted contracts	43,974	42,057
Accrued product warranty	4,639	4,930
Other accrued expenses	8,212	7,521
Deferred credit ─ short term (Note E)	2,029	2,029
Total Current Liabilities	118,248	124,952
Long-term debt, net of current maturities	2,000	2,400
Deferred compensation	4,840	4,950
Deferred income taxes	138
Other long-term liabilities	1,466	723
Deferred credit ─ long term (Note E)	507	2,537
Total Liabilities	127,199	135,562
Commitments and Contingencies (Note G)
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 12,031,243 shares issued, respectively	122	121
Additional paid-in capital	52,003	48,507
Retained earnings	331,959	328,294
Treasury stock, 806,018 and 670,181 shares at cost	(24,999)	(21,259)
Accumulated other comprehensive loss	(23,768)	(22,401)
Total Stockholders' Equity	335,317	333,262
Total Liabilities and Stockholders' Equity	$ 462,516	$ 468,824