CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Operating Activities:
Net income	$ 35,919	$ 24,023
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	20,138	11,934
Stock-based compensation expense	5,717	6,008
Deferred income taxes	950	2,728
Equity in undistributed income of unconsolidated joint ventures, net	(4,041)	(6,348)
Dividends received from unconsolidated joint ventures	2,762	7,184
Pension and postretirement benefits	4,511	4,471
Gain from the sale of property, plant and equipment	(1,900)
Amortization of inventory fair value	1,805
Changes in operating assets and liabilities excluding effects of acquisition and disposition of businesses:
Accounts receivable	(17,844)	(17,026)
Accounts receivable, joint ventures	(1,235)	(754)
Inventories	(23,609)	(9,583)
Pension contribution	(5,000)	(5,478)
Other current assets	(4,432)	(2,077)
Accounts payable and other accrued expenses	(13,035)	7,262
Other, net	(3,450)	(1,243)
Net cash provided by (used in) operating activities	(2,744)	21,101
Investing Activities:
Capital expenditures	(12,478)	(6,765)
Acquisition of business, net of cash received	(139,825)	(25,908)
Proceeds from short-term investments	8,100	5,650
Proceeds from the sale of property, plant and equipment, net	5,900
Return of investment in unconsolidated joint ventures		919
Net cash used in investing activities	(138,303)	(26,104)
Financing Activities:
Proceeds from long term borrowings	145,000
Repayment of debt principal	(16,250)
Payment of long term borrowings acquired through acquisition	(7,745)
Proceeds from sale of capital stock, net	9,692	120
Proceeds from issuance of shares to employee stock purchase plan	756	687
Net cash provided by financing activities	131,453	807
Effect of exchange rate fluctuations on cash	607	(301)
Net decrease in cash and cash equivalents	(8,987)	(4,497)
Cash and cash equivalents at beginning of year	80,135	57,738
Cash and cash equivalents at end of quarter	71,148	53,241
Supplemental disclosure of noncash investing and financing activities
Deferred purchase price for acquisition of business		2,910
Capital lease obligation acquired through acquisition	$ 9,806