CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2016	Sep. 30, 2015
Current assets:
Cash and cash equivalents	$ 53,825	$ 39,411
Accounts receivable, less allowance for doubtful accounts of $1,930 and $1,563 in 2016 and 2015, respectively	121,486	102,607
Costs and estimated earnings on long-term contracts, less progress billings of $31,129 and $25,309 in 2016 and 2015, respectively	28,746	28,387
Inventories	105,542	99,786
Current portion of deferred tax assets	0	15,558
Other current assets	13,884	12,502
Total current assets	323,483	298,251
Property, plant and equipment:
Land and land improvements	9,374	8,212
Buildings and leasehold improvements	62,822	58,140
Machinery and equipment	99,240	84,904
Construction in progress	5,423	2,829
Property, Plant and Equipment, Gross	176,859	154,085
Less accumulated depreciation and amortization	(84,454)	(76,727)
Net property, plant and equipment	92,405	77,358
Intangible assets, net	231,759	190,748
Goodwill	323,616	291,157
Other assets	7,108	6,694
Total Assets	978,371	864,208
Current liabilities:
Current maturities of long-term debt	20,000	20,000
Accounts payable	42,074	37,863
Advance payments on long-term contracts, less costs incurred of $35,266 and $49,779 in 2016 and 2015, respectively	16,187	18,626
Accrued salaries	28,769	23,373
Current portion of deferred revenue	27,212	21,498
Accrued other expenses	23,834	21,851
Total current liabilities	158,076	143,211
Pension obligations	39,842	30,382
Deferred tax liabilities	69,562	74,469
Other liabilities	5,782	1,964
Long-term debt	90,000	30,000
Total liabilities	363,262	280,026
Shareholders' equity:
Preferred stock, par value $.01 per share, authorized 10,000,000 shares
Common stock, par value $.01 per share, authorized 50,000,000 shares; issued 30,364,183 and 30,358,864 shares in 2016 and 2015, respectively	304	304
Additional paid-in capital	290,588	286,485
Retained earnings	471,272	433,632
Accumulated other comprehensive loss, net of tax	(39,283)	(32,538)
Total stockholders' equity before Treasury Stock	722,881	687,883
Less treasury stock, at cost (4,647,322 and 4,542,214 common shares in 2016 and 2015, respectively)	(107,772)	(103,701)
Total shareholders’ equity	615,109	584,182
Total Liabilities and Shareholders’ Equity	$ 978,371	$ 864,208

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.