Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Cash Flows From Operating Activities
Net income	$ 15,643	$ 11,377
Items not affecting use of cash:
Depreciation	14,737	16,064
Impairment charges and asset write-offs	0	252
Amortization of intangible assets	1,514	1,474
Non-cash stock compensation	1,556	1,607
(Recovery of) provision for loss on accounts receivable	(1,178)	1,773
Deferred taxes	(18)	(70)
Other long-term liabilities	785	804
Gain on sale of property, plant and equipment	(558)	0
Other	50	50
Cash flow provided by (used for) working capital:
Accounts receivable	10,384	(4,281)
Inventories	(12,285)	(9,247)
Prepaid expenses	(3,743)	903
Accounts payable and accrued expenses	(18,967)	(11,955)
Net cash provided by operating activities	7,920	8,751
Cash Flows From Investing Activities
Additions to property, plant and equipment	(8,386)	(5,765)
Proceeds from sale of property, plant and equipment	1,805	0
Other	(149)	848
Net cash used for investing activities	(6,730)	(4,917)
Cash Flows From Financing Activities
Repayment of long term debt	(305)	(305)
Net borrowing on credit facility	28,374	6,857
Cash dividends paid	(4,967)	(4,715)
Proceeds from issuance of common stock	2,822	70
Repurchase of common stock	0	(3,722)
Net cash provided by (used for) financing activities	25,924	(1,815)
Foreign Exchange Rate Effect on Cash	1,697	212
Net increase in cash	28,811	2,231
Cash at January 1	6,801	4,705
Cash at June 30	$ 35,612	$ 6,936