Condensed Consolidated Statement of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Cash flows from operating activities
Net income	$ 23,863	$ 21,785
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	5,969	5,405
Amortization	1,465	973
Equity in undistributed earnings of associated companies, net of dividends	(171)	(32)
Deferred compensation and other, net	1,332	4,162
Stock-based compensation	2,078	1,854
Gain on disposal of property, plant and equipment	(13)	(78)
Insurance settlement realized	(808)	(864)
Pension and other postretirement benefits	(1,951)	(4,168)
(Decrease) increase in cash from changes in current assets and current liabilities, net of acquisitions:
Accounts receivable	(7,031)	(17,392)
Inventories	(3,871)	(13,986)
Prepaid expenses and other current assets	(1,946)	(4,029)
Accounts payable and accrued liabilities	3,025	6,537
Net cash provided by operating activities	21,941	167
Cash flows from investing activities
Investments in property, plant and equipment	(6,423)	(6,641)
Payments related to acquisitions, net of cash acquired	0	(717)
Proceeds from disposition of assets	84	221
Insurance settlement received and interest earned	35	42
Change in restricted cash, net	773	822
Net cash used in investing activities	(5,531)	(6,273)
Cash flows from financing activities
Repayment of long-term debt	(1,754)	(40,402)
Dividends paid	(6,213)	(5,413)
Stock options exercised, other	(925)	146
Excess tax benefit related to stock option exercises	1,420	162
Proceeds from sale of common stock, net of related expenses	0	48,143
Distributions to noncontrolling shareholders	(30)	0
Net cash (used in) provided by financing activities	(7,502)	2,636
Effect of exchange rate changes on cash	(565)	1,245
Net increase (decrease) in cash and cash equivalents	8,343	(2,225)
Cash and cash equivalents at beginning of period	16,909	25,766
Cash and cash equivalents at end of period	$ 25,252	$ 23,541