Interim Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 42,253	$ 63,960
Accounts receivable, net	183,361	151,396
Inventories	123,932	109,104
Deferred income taxes	5,880	5,741
Prepaid expenses	7,158	5,129
Income tax receivable	1,623	1,623
Total current assets	364,207	336,953
Property, plant and equipment	160,926	158,376
Less: Accumulated depreciation	(99,374)	(96,472)
Property, Plant And Equipment, Net	61,552	61,904
Goodwill	31,980	32,073
Intangible assets	5,500	5,500
Deferred income taxes	461	457
Other assets	1,743	1,589
Total assets	465,443	438,476
Current liabilities:
Trade accounts payable	66,335	45,593
Income taxes payable	1,947	1,126
Accrued liabilities	32,473	33,482
Current maturities of long-term debt and capital lease obligations	1,139	420
Total current liabilities	101,894	80,621
Long-term debt and capital lease obligations, net of current maturities	0	8
Deferred pension liability	2,138	2,538
Other long-term liabilities	3,540	3,494
Deferred income taxes	1,304	1,350
Stockholders’ equity:
Common stock, $.10 par value, 20,000,000 shares authorized; 12,125,009 and 12,113,109 issued and outstanding at March 31, 2014 and December 31, 2013, respectively	1,213	1,211
Additional paid-in-capital	91,989	91,439
Treasury stock, at cost; 42,600 shares at March 31, 2014 and December 31, 2013	(426)	(426)
Retained earnings	261,595	255,203
Accumulated other comprehensive income, net	2,196	3,038
Total stockholders’ equity	356,567	350,465
Total liabilities and stockholders’ equity	$ 465,443	$ 438,476