Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Cash flows from operating activities:
Net income	$ 14,586	$ 17,682
Depreciation and amortization	5,765	5,682
Deferred income taxes	4,939	9,031
Defined benefit pension credit	(3,797)	(9,500)
OPEB credit	(3,154)	(2,599)
OPEB payments	(582)	(653)
Other, net	555	68
Change in assets and liabilities:
Accounts receivable	(7,475)	(23,701)
Inventories	(10,356)	(20,861)
Accounts payable and accrued liabilities	3,601	8,140
Income taxes payable to Contran	(3,160)
Income taxes payable to tax authorities	(119)	2,147
Other, net	1,284	(302)
Net cash provided by (used in) operating activities	2,087	(14,866)
Cash flows from investing activities:
Capital expenditures	(6,021)	(5,778)
Other, net	28	61
Net cash used in investing activities	(5,993)	(5,717)
Cash flows from financing activities:
Revolving credit facility, net	3,269	20,591
Other, net	637	(8)
Net cash provided by financing activities	3,906	20,583
Net change in cash and cash equivalents
Cash and cash equivalents, beginning of period
Cash and cash equivalents, end of period
Supplemental disclosures - cash paid for:
Interest, net of amount capitalized	628	542
Income taxes, net	$ 7,293	$ 1,765