Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2015	Sep. 30, 2014
Current Assets:
Cash and cash equivalents	$ 63,359	$ 103,118
Accounts receivable, less allowance for doubtful accounts of $1,312 and $1,577	110,093	107,162
Costs and estimated earnings in excess of billings on uncompleted contracts	97,901	95,970
Inventories	36,352	32,815
Income taxes receivable	2,139	2,804
Deferred income taxes	5,010	5,297
Prepaid expenses	4,085	5,870
Other current assets	4,579	4,291
Total Current Assets	323,518	357,327
Property, plant and equipment, net	162,266	156,896
Goodwill	1,003	1,003
Intangible assets, net	1,508	1,904
Deferred income taxes	3,035	11,422
Other assets	9,760	8,224
Long-term receivable (Note D)	2,333	4,667
Total Assets	503,423	541,443
Current Liabilities:
Current maturities of long-term debt and capital lease obligations	400	400
Income taxes payable	1,239	705
Accounts payable	54,253	70,209
Accrued salaries, bonuses and commissions	18,302	25,206
Billings in excess of costs and estimated earnings on uncompleted contracts	57,317	48,702
Accrued product warranty	4,723	4,557
Other accrued expenses	8,132	6,291
Deferred credit ─ short term (Note D)	2,029	2,029
Total Current Liabilities	146,395	158,099
Long-term debt and capital lease obligations, net of current maturities	2,400	2,800
Deferred compensation	5,272	4,226
Other long-term liabilities	664	655
Deferred credit ─ long term (Note D)	3,044	4,566
Total Liabilities	$ 157,775	$ 170,346
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; 11,720,198 and 12,031,243 shares issued and outstanding, respectively	$ 120	$ 120
Additional paid-in capital	47,972	46,267
Retained earnings	325,014	331,213
Treasury stock, 362,961 shares at cost	(12,523)
Accumulated other comprehensive loss	(14,935)	(6,503)
Total Stockholders' Equity	345,648	371,097
Total Liabilities and Stockholders' Equity	$ 503,423	$ 541,443