Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 29, 2013	Sep. 30, 2012
Cash flows from operating activities:
Net earnings	$ 24,170	$ 27,448
Adjustments to reconcile net earnings to net cash provided by operating activities:
Provision for depreciation	6,241	7,568
Intangibles amortization	500
Provision for doubtful accounts	319	3,340
Other	260	766
Changes in:
Accounts receivable	14,781	707
Inventories	(27,879)	(6,969)
Other current assets	(3,543)	5,743
Accounts payable and accrued liabilities	1,507	(2,252)
Federal and state income taxes	(580)	(1,784)
Net cash provided by operating activities	15,776	34,567
Cash flows from investing activities:
Marketable securities purchased	(6,151)	(18,285)
Marketable securities - maturities and sales	17,373	24,466
Acquisition of property, plant and equipment	(18,055)	(9,931)
Notes issued		(3,500)
Sale of property, plant and equipment	8	7
Acquisition of businesses, net of cash acquired		(246)
Net cash provided by (used in) investing activities	(6,825)	(7,489)
Cash flows from financing activities:
Dividends paid		(41,292)
Other		357
Net cash used in financing activities		(40,935)
Net increase (decrease) in cash and cash equivalents	8,951	(13,857)
Cash and cash equivalents at beginning of period	37,437	73,995
Cash and cash equivalents at end of period	$ 46,388	$ 60,138