CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Operating activities:
Net income	$ 169,351	$ 54,885
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Depreciation	95,189	91,706
Amortization	1,005	1,008
Deferred income taxes	5,287	3,536
Stock based compensation	5,912	3,070
Change in LIFO inventory reserve	(35,389)	71,713
Amortization of unrecognized postretirement benefits	34,320	26,519
Loss on sale of assets		2,822
Changes in operating assets and liabilities:
Accounts and notes receivable	(53,130)	(115,500)
Inventories	(81,817)	(257,241)
Other current assets	(7,930)	31,508
Accounts payable	79,692	28,815
Accrued liabilities	67,326	15,686
Other items	12,258	(31,235)
Net cash (used in) provided by operating activities	292,074	(72,708)
Investing activities:
Additions to property, plant and equipment	(123,477)	(121,286)
Acquisition of business, net of cash acquired		(17,380)
Acquisition of assets in Serbia	(18,534)
Proceeds from the sale of assets	754	3,450
Net cash used in investing activities	(141,257)	(135,216)
Financing activities:
Net payments on short-term debt	(83,501)	(8,539)
Additions to long-term debt	10,042	29,835
Repayments on long-term debt	(21,771)	(600)
Acquisition of noncontrolling shareholder interest	(71)	(116,500)
Payment of dividends to noncontrolling shareholders	(3,495)	(5,729)
Payment of dividends	(19,650)	(19,587)
Issuance of common shares and excess tax benefits on options	5,177	4,408
Net cash used in financing activities	(113,269)	(116,712)
Effects of exchange rate changes on cash	254	1,842
Changes in cash and cash equivalents	37,802	(322,794)
Cash and cash equivalents at beginning of year	233,710	413,359
Cash and cash equivalents at end of period	$ 271,512	$ 90,565