Consolidated Statements of Cash Flows (unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Mar. 30, 2013	Mar. 31, 2012
Cash flows from operating activities:
Net income	$ 24,844	$ 26,696
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Stock-based compensation	2,153	1,818
Excess tax benefits from stock-based compensation	(568)	(648)
Net periodic pension benefit cost	643	340
Depreciation and amortization	7,712	6,447
Deferred income taxes	932	131
Bad debt (recovery) provision	(239)	758
Changes in operating assets and liabilities:
Accounts and unbilled contracts receivable	(29,155)	(8,680)
Inventories	(7,061)	(4,484)
Prepaid expenses	(2,144)	(2,046)
Accounts payable	(4,801)	692
Accrued payroll and related costs	(3,443)	(6,721)
Advance payments from customers	(2,410)	9,217
Accrued warranty costs	471	(799)
Other assets and liabilities	(2,472)	(3,152)
Net cash (used in) provided by operating activities	(15,538)	19,569
Cash flows from investing activities:
Purchases of property and equipment	(14,420)	(6,703)
Cash flows from financing activities:
Receipts under short-term borrowings	10,000	15
Payments under short-term borrowings	(5,283)
Excess tax benefits from stock-based compensation	568	648
Cash dividends	(9,670)	(7,950)
Proceeds from exercise of stock options and employee stock purchase plan	3,403	13,950
Net cash (used in) provided by financing activities	(982)	6,663
Effect of exchange rate on changes in cash	(2,300)	(376)
Net (decrease) increase in cash and cash equivalents	(33,240)	19,153
Cash and cash equivalents, at beginning of period	79,852	104,095
Cash and cash equivalents, at end of period	46,612	123,248
Cash paid during the period for -
Interest	36	523
Income taxes	12,383	17,304
Non-cash financing activities:
Dividends declared not yet paid	$ 4,633	$ 3,905