CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2015	Sep. 30, 2014
Current assets:
Cash and cash equivalents	$ 36,879	$ 35,131
Accounts receivable, net	100,979	105,449
Costs and estimated earnings on long-term contracts, less progress billings of $14,466 and $30,041, respectively	22,970	27,798
Inventories	110,124	94,292
Current portion of deferred tax assets	16,351	19,946
Other current assets	14,781	13,337
Total current assets	302,084	295,953
Property, plant and equipment, net of accumulated depreciation of $75,247 and $70,694, respectively	78,140	76,465
Property, plant and equipment:
Intangible assets, net of accumulated amortization of $43,785 and $37,402, respectively	190,807	182,063
Goodwill	291,072	282,337
Other assets	5,741	9,088
Total assets	867,844	845,906
Current liabilities:
Current maturities of long-term debt	20,407	20,000
Accounts payable	28,663	40,328
Advance payments on long-term contracts, less costs incurred of $36,830 and $44,110, respectively	17,866	15,035
Accrued salaries	19,775	25,558
Current portion of deferred revenue	22,219	19,895
Accrued other expenses	23,486	26,284
Total current liabilities	132,416	147,100
Pension obligations	19,237	19,234
Deferred tax liabilities	77,215	77,440
Other liabilities	1,921	1,961
Long-term debt	45,000	20,000
Total liabilities	275,789	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 30,356,303 and 30,247,512 shares, respectively	304	302
Additional paid-in capital	285,588	285,305
Retained earnings	424,184	399,451
Accumulated other comprehensive loss, net of tax	(24,252)	(19,186)
Total stockholders' equity before Treasury Stock	685,824	665,872
Less treasury stock, at cost: 4,266,062 and 4,040,532 common shares, respectively	(93,769)	(85,701)
Total shareholders' equity	592,055	580,171
Total liabilities and shareholders’ equity	$ 867,844	$ 845,906