Statement of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Cash Flows from Operating Activities:
Net Income	$ 212,078	$ 259,803	$ 246,268
Adjustments to Reconclile net income(loss) to net cash provided by operating activities:
Depreciation and amortization	80,503	88,094	97,336
Loss (gain) on sale of businesses and asset disposals	70	(590)	(7,632)
Loss on early retirement of debt	451	1,176	2,421
Change in net pension and postretirement benefits	(8,286)	6,283	14,190
Change in deferred income taxes	(7,270)	(21,849)	69,646
Other	344	170	326
Change in Operating Assets and Liabilities:
Accounts Receivable, net	(2,270)	(992)	(63,805)
Inventories	39,948	(18,987)	(28,531)
Other current assets	(272)	10,217	(8,051)
Accounts payable	(10,145)	547	77,643
Accrued liabilities	2,363	12,171	16,634
Other	(3,191)	5,807	5,292
Net cash provided by operating activities	335,295	374,162	269,329
Cash Flows from Investing Activities:
Purchases of property, plant and equipment	(48,632)	(51,765)	(26,218)
Proceeds from sale of property, plant and equipment	507	6,317	4,604
Repayments from (advances to) related persons	(180,579)	(182,538)	3,578
Net cash used in investing activities	(228,704)	(227,986)	(18,036)
Cash Flows from Financing Activities:
Repayments of notes payable and bank overdrafts	0	(29,794)	(21,812)
Net repayments on revolving credit facility	0	(51,026)	(85,390)
Repayments of long-term debt	(21,921)	(1,760)	(326,394)
Borrowings of long-term debt	0	0	200,737
Payments for debt financing costs	0	0	(4,185)
Payments of prepayment penalties	(803)	0	(1,674)
Cash dividends	(50,871)	0	0
Distribution to noncontrolling interest partners	(24,409)	(17,076)	(23,676)
Capital contribution under tax sharing agreementt	0	0	14,919
Dividend distribution under tax sharing agreement	0	(12,928)	(1,765)
Net cash used in financing activities	(98,004)	(112,584)	(249,240)
Effect of Exchange Rate on Cash and Cash Equivalents	1,105	(5,071)	3,196
Cash and Cash Equivalents:
Net increase during the year	9,692	28,521	5,249
Beginning Balance	72,560	44,039	38,790
Ending Balance	82,252	72,560	44,039
Supplemental Cash Flow Disclosure
Interest Paid	16,795	21,235	50,822
Income taxes paid	81,731	57,165	18,896
Non-cash Investing and Financing Activities
Purchases of property, plant and equipment financed by capital leases	$ (382)	$ 0	$ 0