Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Oct. 01, 2011	Oct. 02, 2010	Oct. 03, 2009
Cash Flows from Operating Activities:
Net income	$ 50,942	$ 18,576	$ 17,394
Adjustments to reconcile net income to net cash provided by operating activities:
Stock-based compensation	2,701	2,448	3,384
Excess tax benefits from stock-based compensation	(432)	(65)	(4)
Charge for fair value mark-up of acquired inventory	0	0	1,859
Net periodic pension benefit cost	724	401	738
Depreciation and amortization	12,894	12,751	12,132
Deferred income taxes	5,357	2,121	(364)
Bad debt provision	729	159	755
Changes in operating assets and liabilities, excluding the effect of the acquisition:
Accounts and unbilled contracts receivable	(44,714)	5,599	52,129
Inventories	(13,610)	(5,408)	5,980
Prepaid expenses	(268)	(45)	99
Accounts payable	5,492	3,152	(14,582)
Accrued payroll and related costs	740	7,441	(8,571)
Advance payments from customers	19,123	(2,415)	(20,654)
Accrued warranty costs	(2,191)	(2,093)	3,614
Other assets and liabilities	5,471	(9,432)	(10,071)
Net Cash Provided by Operating Activities	42,958	33,190	43,838
Cash Flows from Investing Activities:
Additions to property and equipment	(10,145)	(11,214)	(9,757)
Payments for acquisition	0	(6,314)	(25,143)
Net proceeds from sale of business	0	0	1,330
Net Cash Used in Investing Activities	(10,145)	(17,528)	(33,570)
Cash Flows from Financing Activities:
Net receipts under short-term borrowings	37	29	15,796
Repayments of long-term debt	0	0	(2,308)
Excess tax benefits from stock-based compensation	432	65	4
Cash dividends	(9,300)	(12,107)	(10,112)
Proceeds from exercise of stock options and employee stock purchase plan	12,878	1,015	1,627
Payments to purchase and retire common stock	(9,864)	(38,156)	(12,823)
Net Cash Used in Financing Activities	(5,817)	(49,154)	(7,816)
Effect of Exchange Rate Changes on Cash and Cash Equivalents	488	(8,782)	2,334
Cash and Cash Equivalents:
Increase (decrease) during the year	27,484	(42,274)	4,786
Balance, beginning of year	76,611	118,885	114,099
Balance, end of year	104,095	76,611	118,885
Cash paid during the year for:
Interest	1,284	1,549	1,596
Income taxes	7,061	9,669	13,250
Non-cash financing activities:
Dividends declared not yet paid	$ 3,919	$ 0	$ 2,423