Interim Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 53,603	$ 48,291
Accounts receivable, net	161,704	140,268
Inventories	121,639	108,758
Deferred income taxes	5,245	3,824
Prepaid expenses	5,883	5,659
Total current assets	348,074	306,800
Property, plant and equipment	154,884	146,454
Less: Accumulated depreciation	(94,251)	(89,653)
Property, Plant And Equipment, Net	60,633	56,801
Goodwill	31,814	31,648
Intangible assets	5,500	5,500
Deferred income taxes	2,597	2,593
Other assets	1,026	997
Total assets	449,644	404,339
Current liabilities:
Trade accounts payable	55,911	41,641
Income taxes payable	1,869	4,045
Accrued liabilities	36,170	31,601
Current maturities of long-term debt and capital lease obligations	499	588
Deferred income tax	243	253
Total current liabilities	94,692	78,128
Long-term debt and capital lease obligations, net of current maturities	90	118
Deferred pension liability	8,248	9,871
Other long-term liabilities	3,710	3,646
Deferred income taxes	2,705	2,290
Stockholders’ equity:
Common stock, $.10 par value, 20,000,000 shares authorized; 12,110,509 and 12,028,354 issued and outstanding at September 30, 2013 and December 31, 2012, respectively	1,211	1,203
Additional paid-in-capital	91,046	88,660
Treasury stock, at cost; 42,600 shares at September 30, 2013 and December 31, 2012	(426)	(426)
Retained earnings	250,025	222,480
Accumulated other comprehensive income, net	(1,657)	(1,631)
Total stockholders’ equity	340,199	310,286
Total liabilities and stockholders’ equity	$ 449,644	$ 404,339