Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Dec. 28, 2019	Dec. 29, 2018
Operating activities:
Net earnings	$ 17,059,000	$ 17,526,000
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation of fixed assets	11,887,000	10,774,000
Amortization of intangibles and deferred costs	843,000	861,000
Share-based compensation	1,299,000	972,000
Deferred income taxes	(231,000)	689,000
Loss on marketable securities	9,000	1,027,000
Other	14,000	82,000
Changes in assets and liabilities net of effects from purchase of companies
Decrease in accounts receivable	10,254,000	14,386,000
Increase in inventories	(8,524,000)	(4,974,000)
Decrease in prepaid expenses	1,922,000	340,000
Decrease in accounts payable and accrued liabilities	(963,000)	(8,872,000)
Net cash provided by operating activities	33,569,000	32,811,000
Investing activities:
Payments for purchases of companies, net of cash acquired	(44,970,000)	0
Purchases of property, plant and equipment	(17,605,000)	(11,837,000)
Purchases of marketable securities	(4,000,000)	(17,513,000)
Proceeds from redemption and sales of marketable securities	18,782,000	17,125,000
Proceeds from disposal of property and equipment	898,000	577,000
Other	38,000	(236,000)
Net cash used in investing activities	(46,857,000)	(11,884,000)
Financing activities:
Proceeds from issuance of stock	468,000	1,704,000
Payments on finance lease obligations	(86,000)	(83,000)
Payment of cash dividend	(9,447,000)	(8,438,000)
Net cash used in financing activities	(9,065,000)	(6,817,000)
Effect of exchange rate on cash and cash equivalents	285,000	(875,000)
Net (decrease) increase in cash and cash equivalents	(22,068,000)	13,235,000
Cash and cash equivalents at beginning of period	192,395,000	111,479,000
Cash and cash equivalents at end of period	$ 170,327,000	$ 124,714,000