CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Operating Activities:
Net income (loss)	$ (1,808)	$ 9,434
Loss (earnings) from discontinued operations	108	1,631
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	6,509	6,183
Stock-based compensation expense	1,442	858
Loss from long-term investments	3,245
Deferred income taxes	(2,134)	1,930
Equity in undistributed income of unconsolidated joint ventures, net	(657)	(1,428)
Dividends received from unconsolidated joint ventures	2,929	2,762
Pension and postretirement benefits	4,936	1,485
Gain from the sale of property, plant and equipment		(1,900)
Impairment of assets	539
Amortization of inventory fair value		1,805
Changes in operating assets and liabilities excluding effects of acquisition and disposition of businesses:
Accounts receivable	356	(8,612)
Accounts receivable, joint ventures	(87)	(816)
Inventories	(2,452)	(5,534)
Pension contribution	(10,000)
Other current assets	(2,946)	(2,977)
Accounts payable and other accrued expenses	(2,625)	(22,893)
Other, net	619	(212)
Net cash provided by (used in) operating activities of continuing operations	(2,026)	(18,284)
Net cash provided by (used in) operating activites of discontinued operations		(1,668)
Net cash provided by (used in) operating activites	(2,026)	(19,952)
Investing Activities:
Capital expenditures	(4,181)	(4,061)
Acquisition of business, net of cash received		(139,825)
Proceeds from long-term investments	25,438	300
Proceeds from the sale of property, plant and equipment, net		5,900
Deferred purchase price for previous acquisition of business	(3,100)
Net cash provided by (used in) investing activities	18,157	(137,686)
Financing Activities:
Proceeds from long term borrowings		145,000
Repayment of debt principal and long term obligation	(1,500)
Payment of long term borrowings acquired through acquisition		(7,273)
Proceeds from sale of capital stock, net	112	3,121
Proceeds from issuance of shares to employee stock purchase plan	412	396
Net cash provided by (used in) financing activities	(976)	141,244
Effect of exchange rate fluctuations on cash	(1,366)	2,394
Net increase (decrease) in cash and cash equivalents	13,789	(14,000)
Cash and cash equivalents at beginning of year	79,728	80,135
Cash and cash equivalents at end of quarter	93,517	66,135
Supplemental disclosure of noncash investing and financing activities
Capital lease obligation acquired through acquisition		$ 9,206