Consolidated Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Jul. 04, 2021	Jun. 28, 2020
Cash flows from operating activities:
Net earnings	$ 18,285,000	$ 20,879,000
Adjustments to reconcile net earnings to net cash provided by operating activities:
Provision for depreciation	1,357,000	1,386,000
Intangibles amortization	108,000	114,000
Non-cash retirement plan expense	402,000	193,000
Other	168,000	350,000
Changes in operating accounts:
Accounts receivable, net	3,797,000	(10,915,000)
Inventories	(7,634,000)	(3,808,000)
Other assets and current assets	(1,357,000)	(9,882,000)
Accounts payable and accrued liabilities	(6,733,000)	11,293,000
Federal and state income taxes	(2,290,000)	5,023,000
Net cash provided by operating activities	6,103,000	14,633,000
Cash flows from investing activities:
Marketable securities purchased	0	(38,084,000)
Marketable securities - maturities and sales	26,410,000	18,635,000
Purchase of property, plant and equipment	(1,956,000)	(733,000)
Net cash provided by (used in) investing activities	24,454,000	(20,182,000)
Cash flows from financing activities:
Dividends paid	(44,083,000)	(42,172,000)
Proceeds from sale of treasury stock	572,000	528,000
Other	(30,000)	(27,000)
Net cash used in financing activities	(43,541,000)	(41,671,000)
Net decrease in cash and cash equivalents	(12,984,000)	(47,220,000)
Cash and cash equivalents at beginning of period	86,036,000	79,579,000
Cash and cash equivalents at end of period	$ 73,052,000	$ 32,359,000