Consolidated Statements of Cash Flows (unaudited) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 29, 2012	Oct. 01, 2011	Oct. 02, 2010
Cash flows from Operating Activities:
Net income	$ 51,556	$ 50,942	$ 18,576
Adjustments to reconcile net income to net cash provided by operating activities:
Stock-based compensation	3,372	2,701	2,448
Excess tax benefits from stock-based compensation	(1,228)	(432)	(65)
Net periodic pension benefit cost	664	724	401
Depreciation and amortization	13,782	12,894	12,751
Deferred income taxes	29	5,357	2,121
Bad debt provision	896	729	159
Changes in operating assets and liabilities:
Accounts and unbilled contracts receivable	(398)	(44,714)	5,599
Inventories	(2,104)	(13,610)	(5,408)
Prepaid expenses	(919)	(268)	(45)
Accounts payable	5,922	5,492	3,152
Accrued payroll and related costs	(2,257)	740	7,441
Advance payments from customers	2,251	19,123	(2,415)
Accrued warranty costs	(1,223)	(2,191)	(2,093)
Other assets and liabilities	(5,318)	5,471	(9,432)
Net Cash Provided by Operating Activities	65,025	42,958	33,190
Cash Flows from Investing Activities:
Additions to property and equipment	(15,625)	(10,145)	(11,214)
Payments for acquisitions			(6,314)
Net Cash Used in Investing Activities	(15,625)	(10,145)	(17,528)
Cash Flows from Financing Activities:
Net (repayments) receipts under short-term borrowings	(40,458)	37	29
Excess tax benefits from stock-based compensation	1,228	432	65
Cash dividends	(15,874)	(9,300)	(12,107)
Proceeds from exercise of stock options and employee stock	17,886	12,878	1,015
Payments to purchase and retire common stock	(35,323)	(9,864)	(38,156)
Net Cash Used in Financing Activities	(72,541)	(5,817)	(49,154)
Effect of Exchange Rate on Cash and Cash Equivalents	(1,102)	488	(8,782)
Cash and Cash Equivalents:
(Decrease) increase during the year	(24,243)	27,484	(42,274)
Balance, beginning of year	104,095	76,611	118,885
Balance, end of year	79,852	104,095	76,611
Cash paid during the year for:
Interest	947	1,284	1,549
Income taxes	33,789	7,061	9,669
Non-cash financing activities:
Dividends declared not yet paid	$ 4,858	$ 3,919