CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2014
Current assets:
Cash and cash equivalents	$ 39,411	$ 35,131
Accounts receivable, less allowance for doubtful accounts of $1,563 and $1,122 in 2015 and 2014, respectively	102,607	105,449
Costs and estimated earnings on long-term contracts, less progress billings of $25,309 and $30,041 in 2015 and 2014, respectively	28,387	27,798
Inventories	99,786	94,292
Current portion of deferred tax assets	15,558	19,946
Other current assets	12,502	13,337
Total current assets	298,251	295,953
Property, plant and equipment:
Land and land improvements	8,212	8,217
Buildings and leasehold improvements	58,140	53,901
Machinery and equipment	84,904	81,513
Construction in progress	2,829	3,528
Property, Plant and Equipment, Gross, Total	154,085	147,159
Less accumulated depreciation and amortization	(76,727)	(70,694)
Net property, plant and equipment	77,358	76,465
Intangible assets, net	190,748	182,063
Goodwill	291,157	282,337
Other assets	6,694	9,088
Total assets	864,208	845,906
Current liabilities:
Current maturities of long-term debt	20,000	20,000
Accounts payable	37,863	40,328
Advance payments on long-term contracts, less costs incurred of $49,779 and $44,110 in 2015 and 2014, respectively	18,626	15,035
Accrued salaries	23,373	25,558
Current portion of deferred revenue	21,498	19,895
Accrued other expenses	21,851	26,284
Total current liabilities	143,211	147,100
Pension obligations	30,382	19,234
Deferred tax liabilities	74,469	77,440
Other liabilities	1,964	1,961
Long-term debt	30,000	20,000
Total liabilities	280,026	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 30,358,864 and 30,247,512 shares in 2015 and 2014, respectively	304	302
Additional paid-in capital	286,485	285,305
Retained earnings	433,632	399,451
Accumulated other comprehensive loss, net of tax	(32,538)	(19,186)
Total stockholders' equity before Treasury Stock	687,883	665,872
Less treasury stock, at cost (4,542,214 and 4,040,532 common shares in 2015 and 2014, respectively)	(103,701)	(85,701)
Total shareholders' equity	584,182	580,171
Total liabilities and shareholders’ equity	$ 864,208	$ 845,906

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.