CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2017	Sep. 30, 2016
Current assets:
Cash and cash equivalents	$ 48,521	$ 53,825
Accounts receivable, net	135,545	121,486
Costs and estimated earnings on long-term contracts, less progress billings of $59,100 and $31,129, respectively	44,753	28,746
Inventories	130,828	105,542
Other current assets	20,980	13,884
Total current assets	380,627	323,483
Property, plant and equipment, net of accumulated depreciation of $96,510 and $84,454, respectively	130,419	92,405
Intangible assets, net of accumulated amortization of $69,103 and $56,955, respectively	328,545	231,759
Goodwill	365,965	323,616
Other assets	5,901	7,108
Total assets	1,211,457	978,371
Current liabilities:
Current maturities of long-term debt	20,000	20,000
Accounts payable	48,555	42,074
Advance payments on long-term contracts, less costs incurred of $48,114 and $35,266, respectively	22,089	16,187
Accrued salaries	24,797	28,769
Current portion of deferred revenue	31,881	27,212
Accrued other expenses	28,257	23,834
Total current liabilities	175,579	158,076
Pension obligations	38,677	39,842
Deferred tax liabilities	84,184	69,562
Other liabilities	23,428	5,782
Long-term debt	245,000	90,000
Total liabilities	566,868	363,262
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 30,364,183 shares, respectively	305	304
Additional paid-in capital	288,623	290,588
Retained earnings	499,611	471,272
Accumulated other comprehensive loss, net of tax	(36,325)	(39,283)
Total stockholders' equity before Treasury Stock	752,214	722,881
Less treasury stock, at cost: 4,638,322 and 4,647,322 common shares, respectively	(107,625)	(107,772)
Total shareholders’ equity	644,589	615,109
Total liabilities and shareholders’ equity	$ 1,211,457	$ 978,371