CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2017	Sep. 30, 2017
Current assets:
Cash and cash equivalents	$ 41,600	$ 45,516
Accounts receivable, net	148,502	160,580
Costs and estimated earnings on long-term contracts, less progress billings of $45,134 and $64,099, respectively	39,045	47,286
Inventories	130,579	124,515
Other current assets	13,301	14,895
Total current assets	373,027	392,792
Property, plant and equipment:
Property, plant and equipment, net of accumulated depreciation of $106,791 and $99,650, respectively	132,790	132,748
Intangible assets, net of accumulated amortization of $78,325 and $73,879, respectively	347,578	351,134
Goodwill	378,510	377,879
Other assets	5,843	5,891
Total assets	1,237,748	1,260,444
Current liabilities:
Current maturities of long-term debt	20,000	20,000
Accounts payable	48,766	54,789
Advance payments on long-term contracts, less costs incurred of $53,206 and $59,772, respectively	28,966	22,451
Accrued salaries	21,824	32,259
Current portion of deferred revenue	25,447	28,583
Accrued other expenses	33,029	36,887
Total current liabilities	178,032	194,969
Pension obligations	30,268	30,223
Deferred tax liabilities	57,877	86,378
Other liabilities	24,502	21,956
Long-term debt	240,000	255,000
Total liabilities	530,679	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	290,984	289,785
Retained earnings	549,322	516,718
Accumulated other comprehensive loss, net of tax	(26,003)	(27,308)
Total stockholders' equity before Treasury Stock	814,608	779,500
Less treasury stock, at cost: 4,632,922 and 4,635,622 common shares, respectively	(107,539)	(107,582)
Total shareholders' equity	707,069	671,918
Total liabilities and shareholders' equity	$ 1,237,748	$ 1,260,444