Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Oct. 01, 2017	Oct. 02, 2016
Cash flows from operating activities:
Net earnings	$ 36,199	$ 23,789
Adjustments to reconcile net earnings to net cash provided by (used in) operating activities:
Provision for depreciation	5,211	9,390
Intangibles amortization	1,851	568
Provision for doubtful accounts	41	12
Non-cash retirement plan expense	504	578
Gain on involuntary conversion of machinery and equipment	(1,997)
Loss on disposal of property, plant and equipment	14	431
Gain on divestiture of business	(11,413)
Other	292	126
Changes in operating accounts:
Accounts receivable, net	22,560	9,385
Inventories	(33,834)	(29,412)
Other assets and current assets	(1,543)	2,751
Accounts payable and accrued liabilities	(12,223)	9,760
Federal and state income taxes	(11,114)	(764)
Net cash provided by (used in) operating activities	(5,452)	26,614
Cash flows from investing activities:
Marketable securities purchased	(121,723)	(49,256)
Marketable securities - maturities and sales	84,942	15,720
Proceeds from divestiture of business, net of cash paid	64,033
Notes issued		(2,419)
Proceeds from insurnace settlement	1,997
Acquisition of intangible assets	(1,000)	(211)
Purchase of property, plant and equipment	(5,707)	(3,936)
Sale of property, plant and equipment	1	2
Net cash provided by (used in) investing activities	22,543	(40,100)
Cash flows from financing activities:
Dividends paid	(38,405)	(35,161)
Proceeds from sale of treasury stock	519	443
Other	(114)
Net cash used in financing activities	(38,000)	(34,718)
Net decrease in cash and cash equivalents	(20,909)	(48,204)
Cash and cash equivalents at beginning of year	27,034	56,222
Cash and cash equivalents at end of year	$ 6,125	$ 8,018