Interim Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 33,491	$ 48,291
Accounts receivable, net	169,678	140,268
Inventories	118,224	108,758
Deferred income taxes	3,742	3,824
Prepaid expenses	5,447	5,659
Total current assets	330,582	306,800
Property, plant and equipment	147,241	146,454
Less: Accumulated depreciation	(90,519)	(89,653)
Property, Plant And Equipment, Net	56,722	56,801
Goodwill	30,870	31,648
Intangible assets	5,500	5,500
Deferred income taxes	2,594	2,593
Other assets	972	997
Total assets	427,240	404,339
Current liabilities:
Trade accounts payable	55,546	41,641
Income taxes payable	2,935	4,045
Accrued liabilities	30,941	31,601
Current maturities of long-term debt and capital lease obligations	571	588
Deferred income tax	246	253
Total current liabilities	90,239	78,128
Long-term debt and capital lease obligations, net of current maturities	10,049	118
Deferred pension liability	9,448	9,871
Other long-term liabilities	3,693	3,646
Deferred income taxes	2,261	2,290
Stockholders’ equity:
Common stock, $.10 par value, 20,000,000 shares authorized; 12,061,254 and 12,028,354 issued and outstanding at March 31, 2013 and December 31, 2012, respectively	1,206	1,203
Additional paid-in-capital	89,414	88,660
Treasury stock, at cost; 42,600 shares at March 31, 2013 and December 31, 2012	(426)	(426)
Retained earnings	228,591	222,480
Accumulated other comprehensive income, net	(7,235)	(1,631)
Total stockholders’ equity	311,550	310,286
Total liabilities and stockholders’ equity	$ 427,240	$ 404,339