Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Cash flows from operating activities:
Net income	$ 7,265	$ 7,963
Depreciation and amortization	2,875	2,823
Deferred income taxes	2,162	4,431
Defined benefit pension credit	(1,899)	(4,750)
OPEB credit	(1,577)	(1,300)
OPEB payments	(324)	(323)
Other, net	382	(35)
Change in assets and liabilities:
Accounts receivable	(14,279)	(14,790)
Inventories	(9,930)	(13,954)
Accounts payable and accrued liabilities	(815)	10,527
Income taxes payable to Contran	(1,508)
Income taxes payable to tax authorities	(118)	2,100
Other, net	555	(591)
Net cash used in operating activities	(17,211)	(7,899)
Cash flows from investing activities:
Capital expenditures	(2,307)	(2,705)
Other, net	28	58
Net cash used in investing activities	(2,279)	(2,647)
Cash flows from financing activities:
Revolving credit facility, net	18,850	10,549
Other, net	640	(3)
Net cash provided by financing activities	19,490	10,546
Net change in cash and cash equivalents
Cash and cash equivalents, beginning of period
Cash and cash equivalents, end of period
Supplemental disclosures:
Interest, net of amount capitalized	329	243
Income taxes, net	$ 3,887	$ 10