Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Current assets
Cash and cash equivalents	$ 16,554	$ 30,524
Accounts receivable, less allowances of $3,570 and $3,584	198,329	181,036
Inventories, principally on last-in, first-out basis (replacement cost higher by $143,479 and $138,882)	334,488	272,039
Prepaid expenses and other current assets	15,163	10,382
Income tax receivable	2,306	8,287
Total current assets	566,840	502,268
Investment in joint venture	38,790	36,460
Goodwill	70,259	69,901
Intangible assets	91,292	93,813
Prepaid pension cost	16,228	15,956
Other assets	22,152	21,784
Property, plant and equipment
Land	5,195	5,194
Building	52,513	52,434
Machinery and equipment	175,138	172,833
Property, plant and equipment, at cost	232,846	230,461
Less - accumulated depreciation	(152,044)	(148,320)
Property, plant and equipment, net	80,802	82,141
Total assets	886,363	822,323
Current liabilities
Accounts payable	148,827	116,874
Accrued liabilities	40,701	33,828
Income taxes payable	1,703	1,884
Deferred income taxes	0	0
Current portion of long-term debt	232	192
Short-term debt	500	500
Total current liabilities	191,963	153,278
Long-term debt, less current portion	341,214	314,240
Deferred income taxes	24,271	25,650
Other non-current liabilities	6,492	7,252
Pension and post retirement benefit obligations	9,734	9,624
Commitments and contingencies
Stockholders' equity
Preferred stock, $0.01 par value - 9,988 shares authorized; no shares issued and outstanding at March 31, 2012 and December 31, 2011
Common stock, $0.01 par value - 30,000 shares authorized; 23,159 shares issued and 23,009 outstanding at March 31, 2012 and 23,159 shares issued and 23,010 outstanding at December 31, 2011	232	232
Additional paid-in capital	186,087	184,596
Retained earnings	144,687	148,987
Accumulated other comprehensive loss	(16,600)	(19,824)
Treasury stock, at cost - 150 shares at March 31, 2012 and 149 shares at December 31, 2011	(1,717)	(1,712)
Total stockholders' equity	312,689	312,279
Total liabilities and stockholders' equity	$ 886,363	$ 822,323