Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Cash Flows From Operating Activities
Net income	$ 18,591	$ 7,650
Items not affecting use of cash:
Depreciation	24,102	22,482
Impairment charges and asset write-offs	814	0
Amortization of intangible assets	2,210	2,217
Non-cash stock compensation	2,151	1,796
Provision for loss on accounts receivable	1,179	557
Deferred taxes	635	(930)
Other long-term liabilities	3,015	51
Gain on sale of property, plant and equipment	(591)	(733)
Other	50	0
Cash flow provided by (used for) working capital:
Accounts receivable	(5,024)	(18,374)
Inventories	(8,759)	5,014
Prepaid expenses	2,294	1,442
Accounts payable and accrued expenses	(422)	(6,634)
Net cash provided by operating activities	40,245	14,538
Cash Flows From Investing Activities
Additions to property, plant and equipment	(13,337)	(14,508)
Acquisition of business, net of cash acquired	(1,100)	(411)
Proceeds from sale of property, plant and equipment	1,082	5,213
Other	(92)	209
Net cash used for investing activities	(13,447)	(9,497)
Cash Flows From Financing Activities
Net (repayment) borrowing on credit facility	(3,212)	2,700
Cash dividends paid	(7,163)	(6,915)
Proceeds from issuance of common stock	173	103
Repurchase of common stock	(18,821)	0
Net cash used for financing activities	(29,023)	(4,112)
Foreign Exchange Rate Effect on Cash	371	163
Net (decrease) increase in cash	(1,854)	1,092
Cash at January 1	4,705	4,728
Cash at September 30	$ 2,851	$ 5,820