Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended				9 Months Ended
	Jun. 29, 2024	Dec. 30, 2023	Jun. 24, 2023	Jun. 24, 2023	Jun. 29, 2024	Jun. 24, 2023	Jun. 24, 2023
Operating activities:
Net earnings	$ 36,299	$ 7,282	$ 34,981	$ 34,981	$ 56,910	$ 48,485	$ 48,485
Adjustments to reconcile net earnings to net cash provided by operating activities
Depreciation of fixed assets	16,200		14,100		47,141		41,319
Amortization of intangibles and deferred costs					5,244		5,065
(Gain) from disposals of property & equipment					(23)		(255)
Share-based compensation					4,841		3,935
Deferred income taxes					310		(937)
(Gain) on marketable securities	0		(100)		0		(105)
Other					268		(237)
Changes in assets and liabilities, net of effects from purchase of companies
(Increase) in accounts receivable					(10,949)		(7,680)
(Increase) decrease in inventories					(7,264)		4,875
Decrease in prepaid expenses					2,187		8,487
Increase in accounts payable and accrued liabilities					28,081		2,992
Net cash provided by operating activities					126,746		105,944
Investing activities:
Payments for asset acquisitions					7,014		(0)
Purchases of property, plant and equipment	(19,745)		(27,348)		(56,371)		(76,472)
Proceeds from redemption and sales of marketable securities	0		0		0		5,300
Proceeds from disposal of property and equipment					484		774
Net cash investing activities					(62,901)		(70,398)
Financing activities:
Proceeds from issuance of stock					9,657		6,289
Borrowings under credit facility					57,000		102,000
Repayment of borrowings under credit facility					(72,000)		(74,000)
Payments on finance lease obligations	(10)		(79)		(120)		(150)
Payment of cash dividend					(42,693)		(40,389)
Net cash (used in) financing activities					(48,156)		(6,250)
Effect of exchange rates on cash and cash equivalents					(1,223)		1,166
Net increase in cash and cash equivalents					14,466		30,462
Cash and cash equivalents at beginning of period		$ 49,581			49,581		35,181
Cash and cash equivalents at end of period	$ 64,047		$ 65,643	$ 65,643	$ 64,047	$ 65,643	$ 65,643