Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash Flows From Operating Activities
Net income	$ 21,441	$ 18,591
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation	22,287	24,102
Impairment charges and asset write-offs	0	814
Amortization of intangible assets	2,331	2,210
Non-cash stock compensation	2,134	2,151
Payments for long-term incentive compensation	(333)	0
(Recovery of) provision for loss on accounts receivable	(1,019)	1,179
Deferred taxes	428	635
Other long-term liabilities	2,037	3,015
Gain on sale of property, plant and equipment	(628)	(591)
Other	50	50
Cash flow provided by (used for) working capital:
Accounts receivable	664	(5,024)
Inventories	(18,611)	(8,759)
Prepaid expenses	(2,563)	2,294
Accounts payable and accrued expenses	(4,877)	(422)
Net cash provided by operating activities	23,341	40,245
Cash Flows From Investing Activities
Additions to property, plant and equipment	(15,236)	(13,337)
Acquisition of business, net of cash acquired	3,430	1,100
Proceeds from sale of property, plant and equipment	1,975	1,082
Other	100	(92)
Net cash used for investing activities	(16,591)	(13,447)
Cash Flows From Financing Activities
Repayment of long term debt	(26,333)	(305)
Net borrowing on credit facility	20,410	(2,907)
Cash dividends paid	(7,642)	(7,163)
Proceeds from issuance of common stock	3,026	173
Repurchase of common stock	0	(18,821)
Net cash provided by (used for) financing activities	(10,539)	(29,023)
Foreign Exchange Rate Effect on Cash	3,456	371
Net increase in cash	(333)	(1,854)
Cash at January 1	6,801	4,705
Cash at September 30	$ 6,468	$ 2,851