Consolidated Statements of Cash Flows (unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Jun. 29, 2013	Jun. 30, 2012
Cash flows from operating activities:
Net income	$ 36,391	$ 36,305
Adjustments to reconcile net income to net cash provided by operating activities:
Stock-based compensation	3,105	2,429
Excess tax benefits from stock-based compensation	(823)	(676)
Net periodic pension benefit cost	963	503
Depreciation and amortization	12,008	9,865
Deferred income taxes	784	316
Bad debt (recovery) provision	(155)	950
Changes in operating assets and liabilities:
Accounts and unbilled contracts receivable	(18,974)	2,438
Inventories	(11,733)	(73)
Prepaid expenses	(639)	(1,655)
Accounts payable	(5,512)	1,753
Accrued payroll and related costs	843	(1,278)
Advance payments from customers	(11,928)	(1,475)
Accrued warranty costs	1,137	(1,587)
Other assets and liabilities	(3,610)	4,366
Net cash provided by operating activities	1,857	52,181
Cash flows from investing activities:
Purchases of property and equipment	(23,216)	(11,668)
Cash flows from financing activities:
Net repayments (receipts) under short-term borrowings	9,708	(40)
Excess tax benefits from stock-based compensation	823	676
Cash dividends	(14,405)	(11,950)
Proceeds from exercise of stock options and employee stock purchase plan	4,251	14,629
Payments to purchase and retire common stock	(2,698)
Net cash (used in) provided by financing activities	(2,321)	3,315
Effect of exchange rate on changes in cash	(2,604)	(2,411)
Net (decrease) increase in cash and cash equivalents	(26,284)	41,417
Cash and cash equivalents, at beginning of period	79,852	104,095
Cash and cash equivalents, at end of period	53,568	145,512
Cash paid during the period for -
Interest	85	781
Income taxes	18,470	25,449
Non-cash financing activities:
Dividends declared not yet paid	$ 4,607	$ 3,924