Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash flows from operating activities:
Net income	$ 19,567	$ 24,598
Depreciation and amortization	8,442	8,350
Deferred income taxes	4,965	10,870
Defined benefit pension credit	(5,143)	(14,250)
OPEB credit	(4,557)	(3,898)
OPEB payments	(964)	(820)
Other, net	819	118
Change in assets and liabilities:
Accounts receivable	613	(19,839)
Inventories	(9,150)	(26,290)
Accounts payable and accrued liabilities	3,765	13,975
Income taxes payable to Contran	(1,863)
Income taxes payable to tax authorities	(112)	2,349
Other, net	(310)	(1,464)
Net cash provided by (used in) operating activities	16,072	(6,301)
Cash flows from investing activities:
Capital expenditures	(10,024)	(9,492)
Other, net	43	85
Net cash used in investing activities	(9,981)	(9,407)
Cash flows from financing activities:
Revolving credit facility, net	(7,200)	15,487
Other, net	1,109	221
Net cash provided by (used in) financing activities	(6,091)	15,708
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	870	824
Income taxes, net	$ 9,011	$ 4,203