Consolidated Statements of Cash Flows (USD $) In Thousands	9 Months Ended
	Jun. 25, 2011	Jun. 26, 2010
Operating activities:
Net earnings	$ 39,079	$ 31,952
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization of fixed assets	18,649	18,147
Amortization of intangiblesand deferred costs	4,013	3,891
Share-based compensation	672	992
Gain on bargain purchase of a business	(6,580)
Deferred income taxes	(57)	(14)
Other	19	1
Changes in assets and liabilities net of effects from purchase of companies
Increase in accounts receivable	(11,890)	(5,051)
Increase in inventories	(9,144)	(7,033)
Decrease (increase) in prepaid expenses	3,382	(356)
Increase in accounts payable and accrued liabilities	13,137	4,709
Net cash provided by operating activities	51,280	47,238
Investing activities:
Payments for purchases of companies,net of cash acquired	(8,806)	(25,185)
Purchases of property, plant and equipment	(20,069)	(21,314)
Purchase of marketable securities	(41,293)	(50,496)
Proceeds from redemption and sales of marketable securities	27,547	53,956
Proceeds from disposal of property and equipment	303	246
Other	(584)	(9)
Net cash used in investing activities	(42,902)	(42,802)
Financing activities:
Payments to repurchase common stock		(5,894)
Proceeds from issuance of stock	2,869	925
Payments on capitalized lease obligations	(182)	(72)
Payment of cash dividend	(6,347)	(5,762)
Net cash used in financing activities	(3,660)	(10,803)
Effect of exchange rate on cash and cash equivalents	260	317
Net increase (decrease) in cash and cash equivalents	4,978	(6,050)
Cash and cash equivalents at beginning of period	74,665	60,343
Cash and cash equivalents at end of period	$ 79,643	$ 54,293