CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Sep. 30, 2014
Current assets:
Cash and cash equivalents	$ 34,719	$ 35,131
Accounts receivable, net	95,334	105,449
Costs and estimated earnings on long-term contracts, less progress billings of $17,987 and $30,041, respectively	23,030	27,798
Inventories	107,550	94,292
Current portion of deferred tax assets	19,097	19,946
Other current assets	12,330	13,337
Total current assets	292,060	295,953
Property, plant and equipment, net of accumulated depreciation of $73,121 and $70,694, respectively	77,682	76,465
Intangible assets, net of accumulated amortization of $41,501 and $37,402, respectively	191,638	182,063
Goodwill	290,784	282,337
Other assets	9,020	9,088
Total assets	861,184	845,906
Current liabilities:
Current maturities of long-term debt	20,000	20,000
Accounts payable	27,706	40,328
Advance payments on long-term contracts, less costs incurred of $50,262 and $44,110, respectively	18,418	15,035
Accrued salaries	18,063	25,558
Current portion of deferred revenue	21,444	19,895
Accrued other expenses	22,678	26,284
Total current liabilities	128,309	147,100
Pension obligations	19,044	19,234
Deferred tax liabilities	76,929	77,440
Other liabilities	1,954	1,961
Long-term debt	53,000	20,000
Total liabilities	279,236	265,735
Shareholders' equity:
Preferred stock, par value $.01 per share, authorized 10,000,000 shares	0	0
Common stock, par value $.01 per share, authorized 50,000,000 shares, issued 30,287,467 and 30,247,512 shares, respectively	303	302
Additional paid-in capital	286,436	285,305
Retained earnings	414,377	399,451
Accumulated other comprehensive loss, net of tax	(25,340)	(19,186)
Total stockholders' equity before Treasury Stock	675,776	665,872
Less treasury stock, at cost: 4,269,662 and 4,040,532 common shares, respectively	(93,828)	(85,701)
Total shareholders' equity	581,948	580,171
Total liabilities and shareholders’ equity	$ 861,184	$ 845,906