Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Sep. 30, 2012
ASSETS
Cash and cash equivalents	$ 33,489	$ 30,215
Accounts receivable, net	132,411	151,051
Costs and estimated earnings on long-term contracts, less progress billings of $23,491 and $30,534, respectively	10,669	14,567
Inventories	118,934	108,061
Current portion of deferred tax assets	22,577	22,313
Other current assets	25,551	17,237
Total current assets	343,631	343,444
Property, plant and equipment, net	79,806	75,876
Intangible assets, net	244,526	231,473
Goodwill	388,352	361,280
Other assets	22,516	21,680
Total assets	1,078,831	1,033,753
LIABILITIES AND SHAREHOLDERS' EQUITY
Current maturities of long-term debt	51,630	50,000
Accounts payable	45,985	54,049
Advance payments on long-term contracts, less costs incurred of $32,693 and $31,534, respectively	22,016	21,700
Accrued salaries	19,589	25,717
Current portion of deferred revenue	28,355	24,920
Accrued other expenses	27,371	27,819
Total current liabilities	194,946	204,205
Pension obligations	35,018	35,480
Deferred tax liabilities	90,737	88,675
Other liabilities	23,937	9,080
Long-term debt	113,000	65,000
Total liabilities	457,638	402,440
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 30,112,741 and 30,044,486 shares, respectively	301	300
Additional paid-in capital	279,921	279,392
Retained earnings	439,680	441,566
Accumulated other comprehensive loss, net of tax	(24,512)	(25,378)
Total shareholders' equity before treasury stock	695,390	695,880
Less treasury stock, at cost: 3,719,107 and 3,453,249 common shares, respectively	(74,197)	(64,567)
Total shareholders' equity	621,193	631,313
Total liabilities and shareholders' equity	$ 1,078,831	$ 1,033,753