Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Operating activities:
Net income (loss)	$ 6,400,000	$ (4,214,000)
Adjustments to reconcile net income (loss) to net cash from operating activities:
Depreciation and amortization	10,058,000	10,501,000
Amortization of deferred gain	(213,000)	(437,000)
Loss on sale of fixed assets	177,000	0
Equity in earnings of joint venture	(5,841,000)	(2,314,000)
Dividends from joint venture	1,336,000	338,000
Deferred tax benefit	(1,501,000)	(7,063,000)
Share-based compensation expense	1,906,000	1,020,000
Excess tax benefits from share-based payment arrangements	(145,000)	(166,000)
Increase (decrease) from changes in:
Accounts receivable	(33,420,000)	(28,109,000)
Inventories	(41,920,000)	287,000
Prepaid expenses and other current assets	(593,000)	(889,000)
Other assets	15,000	2,221,000
Prepaid pension costs	(920,000)	(524,000)
Accounts payable	47,768,000	23,529,000
Accrued liabilities	(6,004,000)	2,763,000
Income taxes payable and receivable	6,194,000	5,504,000
Postretirement benefit obligations and other liabilities	165,000	229,000
Net cash (used in) from operating activities	(16,538,000)	2,676,000
Investing activities:
Capital expenditures	(4,819,000)	(3,254,000)
Proceeds from sale of fixed assets	64,000	0
Net cash used in investing activities	(4,755,000)	(3,254,000)
Financing activities:
Short-term borrowings (repayments), net	15,163,000	(2,602,000)
Net borrowings on long-term revolving lines of credit	1,616,000	1,469,000
Repayments of long-term debt	(214,000)	(350,000)
Excess tax benefits from share-based payment arrangements	145,000	166,000
Exercise of stock options	240,000	244,000
Net cash from (used in) financing activities	16,950,000	(1,073,000)
Effect of exchange rate changes on cash and cash equivalents	(307,000)	(254,000)
Net decrease in cash and cash equivalents	(4,650,000)	(1,905,000)
Cash and cash equivalents - beginning of year	36,716,000	28,311,000
Cash and cash equivalents - end of period	$ 32,066,000	$ 26,406,000