Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Sep. 30, 2011
ASSETS
Cash and cash equivalents	$ 32,157	$ 34,158
Accounts receivable, net	129,311	144,083
Costs and estimated earnings on long-term contracts, less progress billings of $24,235 and $11,416, respectively	12,106	12,974
Inventories	116,486	96,986
Current portion of deferred tax assets	21,643	20,630
Other current assets	18,658	19,523
Total current assets	330,361	328,354
Property, plant and equipment, net	74,673	73,067
Intangible assets, net	231,714	231,848
Goodwill	360,961	361,864
Other assets	19,770	16,704
Total assets	1,017,479	1,011,837
LIABILITIES AND SHAREHOLDERS' EQUITY
Short-term borrowings and current portion of long-term debt	50,000	50,000
Accounts payable	52,252	54,037
Advance payments on long-term contracts, less costs incurred of $31,219 and $30,925, respectively	20,499	23,667
Accrued salaries	25,028	26,040
Current portion of deferred revenue	24,944	24,499
Accrued other expenses	25,964	27,594
Total current liabilities	198,687	205,837
Pension obligations	30,085	33,439
Deferred tax liabilities	88,121	85,313
Other liabilities	7,679	11,538
Long-term debt, less current portion	70,000	75,000
Total liabilities	394,572	411,127
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 30,038,250 and 29,956,904 shares, respectively	300	300
Additional paid-in capital	277,962	275,807
Retained earnings	426,026	403,241
Accumulated other comprehensive loss, net of tax	(22,144)	(19,191)
Total shareholders' equity before treasury stock	682,144	660,157
Less treasury stock, at cost: 3,307,926 and 3,320,926 common shares, respectively	(59,237)	(59,447)
Total shareholders' equity	622,907	600,710
Total liabilities and shareholders' equity	$ 1,017,479	$ 1,011,837