CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 29, 2014	Mar. 30, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Net earnings	$ 9,357	$ 9,069
Adjustments to reconcile net earnings to net cash used in operating activities:
Depreciation and amortization	5,124	4,901
Loss on step acquisition	529
Loss from equity method investment		282
Amortization of marketable security premiums	829	632
Changes in operating assets and liabilities:
Accounts receivable	(3,088)	4,644
Other receivables	563	(399)
Inventories	(16,663)	(14,370)
Prepaid expenses and other assets	534	26,299
Accounts payable and accrued liabilities	1,544	1,467
Income taxes payable and deferred	3,787	(1,001)
Postretirement health care and life insurance benefits	(309)	732
Deferred compensation and other liabilities	441	633
Other	(15)	542
Net cash from operating activities	2,633	33,431
CASH FLOWS FROM INVESTING ACTIVITIES:
Net cash acquired in step acquisition	161
Restricted cash	179
Capital expenditures	(2,138)	(2,241)
Net sales (purchases) of trading securities	80	(1,945)
Purchase of available for sale securities	(25,034)	(47,335)
Sale and maturity of available for sale securities	4,410	14,409
Net cash used in investing activities	(22,342)	(37,112)
CASH FLOWS FROM FINANCING ACTIVITIES:
Shares purchased and retired	(7,864)	(4,641)
Dividends paid in cash	(9,458)	(4,653)
Repayment of bank loans	(73)
Net cash used in financing activities	(17,395)	(9,294)
Decrease in cash and cash equivalents	(37,104)	(12,975)
Cash and cash equivalents at beginning of year	88,283	63,862
Cash and cash equivalents at end of quarter	51,179	50,887
Supplemental cash flow information:
Income taxes paid, net	1,419	5,990
Interest paid	30	13
Stock dividend issued	$ 52,165	$ 48,925