CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2018	Sep. 30, 2017
Current assets:
Cash and cash equivalents	$ 42,905	$ 45,516
Accounts receivable, net	153,125	160,580
Costs and estimated earnings on long-term contracts, less progress billings of $47,357 and $64,099, respectively	40,285	47,286
Inventories	137,029	124,515
Other current assets	18,336	14,895
Total current assets	391,680	392,792
Property, plant and equipment:
Property, plant and equipment, net of accumulated depreciation of $109,693 and $99,650, respectively	135,032	132,748
Intangible assets, net of accumulated amortization of $82,889 and $73,879, respectively	349,631	351,134
Goodwill	382,141	377,879
Other assets	6,865	5,891
Total assets	1,265,349	1,260,444
Current liabilities:
Current maturities of long-term debt	20,000	20,000
Accounts payable	50,365	54,789
Advance payments on long-term contracts, less costs incurred of $55,485 and $59,772, respectively	24,834	22,451
Accrued salaries	24,533	32,259
Current portion of deferred revenue	32,002	28,583
Accrued other expenses	34,096	36,887
Total current liabilities	185,830	194,969
Pension obligations	30,094	30,223
Deferred tax liabilities	59,845	86,378
Other liabilities	25,044	21,956
Long-term debt	245,000	255,000
Total liabilities	545,813	588,526
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 30,468,824 and 30,468,824 shares, respectively	305	305
Additional paid-in capital	292,404	289,785
Retained earnings	557,249	516,718
Accumulated other comprehensive loss, net of tax	(23,028)	(27,308)
Total stockholders' equity before Treasury Stock	826,930	779,500
Less treasury stock, at cost: 4,623,958 and 4,635,622 common shares, respectively	(107,394)	(107,582)
Total shareholders' equity	719,536	671,918
Total liabilities and shareholders' equity	$ 1,265,349	$ 1,260,444