Interim Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 17,841	$ 48,291
Accounts receivable, net	178,993	140,268
Inventories	120,978	108,758
Deferred income taxes	3,622	3,824
Prepaid expenses	5,387	5,659
Total current assets	326,821	306,800
Property, plant and equipment	149,995	146,454
Less: Accumulated depreciation	(91,503)	(89,653)
Property, Plant And Equipment, Net	58,492	56,801
Goodwill	30,923	31,648
Intangible assets	5,500	5,500
Deferred income taxes	2,579	2,593
Other assets	855	997
Total assets	425,170	404,339
Current liabilities:
Trade accounts payable	53,602	41,641
Income taxes payable	2,214	4,045
Accrued liabilities	31,348	31,601
Current maturities of long-term debt and capital lease obligations	519	588
Deferred income tax	239	253
Total current liabilities	87,922	78,128
Long-term debt and capital lease obligations, net of current maturities	35	118
Deferred pension liability	8,959	9,871
Other long-term liabilities	3,765	3,646
Deferred income taxes	2,119	2,290
Stockholders’ equity:
Common stock, $.10 par value, 20,000,000 shares authorized; 12,088,034 and 12,028,354 issued and outstanding at June 30, 2013 and December 31, 2012, respectively	1,209	1,203
Additional paid-in-capital	90,165	88,660
Treasury stock, at cost; 42,600 shares at June 30, 2013 and December 31, 2012	(426)	(426)
Retained earnings	239,535	222,480
Accumulated other comprehensive income, net	(8,113)	(1,631)
Total stockholders’ equity	322,370	310,286
Total liabilities and stockholders’ equity	$ 425,170	$ 404,339