CONSOLIDATED STATEMENTS OF Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 28, 2014
CASH FLOWS FROM OPERATING ACTIVITIES:
Net earnings	$ 20,323	$ 18,314
Adjustments to reconcile net earnings to net cash used in operating activities:
Depreciation and amortization	10,178	10,189
Loss on step acquisition		529
Amortization of marketable security premiums	1,531	1,689
Changes in operating assets and liabilities:
Accounts receivable	15,112	16,520
Other receivables	(65)	3,710
Inventories	(31,950)	(39,770)
Prepaid expenses and other assets	4,543	1,063
Accounts payable and accrued liabilities	3,306	348
Income taxes payable and deferred	(1,395)	(1,119)
Postretirement health care and life insurance benefits	(390)	(421)
Deferred compensation and other liabilities	1,260	1,764
Net cash from operating activities	22,453	12,816
CASH FLOWS FROM INVESTING ACTIVITIES:
Net cash acquired in step acquisition		161
Restricted cash	235	193
Capital expenditures	(6,805)	(5,895)
Net sales (purchases) of trading securities	(2,362)	(2,627)
Purchase of available for sale securities	(17,204)	(27,331)
Sale and maturity of available for sale securities	13,531	11,566
Net cash used in investing activities	(12,605)	(23,933)
CASH FLOWS FROM FINANCING ACTIVITIES:
Shares purchased and retired	(11,991)	(10,381)
Dividends paid in cash	(9,736)	(9,567)
Repayment of bank loans	(158)	(228)
Net cash used in financing activities	(21,885)	(20,176)
Effect of exchange rate changes on cash	(1,066)	101
Increase (decrease) in cash and cash equivalents	(13,103)	(31,192)
Cash and cash equivalents at beginning of year	100,108	88,283
Cash and cash equivalents at end of quarter	87,005	57,091
Supplemental cash flow information:
Income taxes paid, net	9,421	10,496
Interest paid	12	31
Stock dividend issued	$ 57,220	$ 52,165