Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Apr. 02, 2016	Mar. 28, 2015
Cash Flows from Operating Activities:
Net income	$ 14,772	$ 25,492
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Stock-based compensation	3,523	3,922
Excess tax benefits for stock-based compensation	(171)	(467)
Net periodic pension benefit cost	564	511
Depreciation and amortization	9,886	10,354
Deferred income taxes	580	5,233
Bad debt provision (recovery), net	163	639
Changes in operating assets and liabilities:
Accounts and unbilled contracts receivable	(2,100)	(9,407)
Inventories	(9,352)	(6,761)
Prepaid expenses	(2,968)	(3,297)
Accounts payable	3,635	10,283
Accrued payroll and related costs	185	(5,852)
Advance payments from customers	32,494	1,478
Accrued warranty costs	175	1,087
Other assets and liabilities	(10,532)	2,407
Net Cash Provided by (Used in) Operating Activities	40,854	35,622
Cash Flows from Investing Activities:
Purchases of property and equipment	(11,197)	(9,132)
Proceeds from sale of property and equipment	1,320
Net Cash Provided by (Used in) Investing Activities	(9,877)	(9,132)
Cash Flows from Financing Activities:
Receipts under short-term borrowings	20,000	10,871
Payments under short-term borrowings	(20,000)	(26)
Excess tax benefits from stock-based compensation	171	467
Cash dividends	(4,513)	(9,079)
Proceeds from exercise of stock options and employee stock purchase plan	2,560	3,370
Payments to purchase and retire common stock	(18,362)	(26,370)
Net Cash Provided by (Used in) Financing Activities	(20,144)	(20,767)
Effect of Exchange Rate Changes on Cash and Cash Equivalents	746	(4,861)
Cash and Cash Equivalents:
Increase (decrease) during the period	11,579	862
Balance, beginning of period	51,768	60,397
Balance, end of period	63,347	61,259
Cash paid during the period for:
Interest	349	451
Income taxes	8,338	8,319
Non-cash financing activities:
Dividends declared not yet paid	$ 4,360	$ 4,407