Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 28, 2014	Sep. 29, 2013
Cash flows from operating activities:
Net earnings	$ 13,984	$ 24,170
Adjustments to reconcile net earnings to net cash provided by operating activities, net of acquisition related assets:
Provision for depreciation	7,198	6,241
Intangibles amortization	8,516	500
Provision for doubtful accounts	424	319
Other	470	260
Changes in:
Accounts receivable	35,131	14,781
Inventories	(16,307)	(27,879)
Other current assets	3,096	(3,543)
Accounts payable and accrued liabilities	(6,703)	1,507
Federal and state income taxes	(6,277)	(580)
Net cash provided by operating activities	39,532	15,776
Cash flows from investing activities:
Marketable securities purchased	(2,833)	(6,151)
Marketable securities - maturities and sales	18,613	17,373
Acquisition of property, plant and equipment	(8,154)	(18,055)
Acquisition of businesses, net of cash acquired	(10,534)
Sale of property, plant and equipment	304	8
Net cash used in investing activities	(2,604)	(6,825)
Cash flows from financing activities:
Dividends paid	(34,954)
Other	362
Net cash used in financing activities	(34,592)
Net increase in cash and cash equivalents	2,336	8,951
Cash and cash equivalents at beginning of period	22,953	37,437
Cash and cash equivalents at end of period	$ 25,289	$ 46,388