Interim Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Operating Activities
Net income	$ 30,070	$ 24,704
Adjustment to reconcile net income to net cash used by operating activities:
Provision for doubtful accounts	(73)	209
Depreciation	6,585	7,698
Amortization of debt issuance	95	95
Stock-based compensation expense	1,146	774
Excess tax benefits from stock-based payment arrangements	(221)	(99)
Provision for deferred income tax (benefit) expense	(983)	(308)
Loss on sale of property, plant & equipment	(253)	264
Changes in operating assets and liabilities:
Accounts receivable	(20,857)	(9,056)
Inventories	(11,818)	(4,279)
Prepaid expenses and other assets	(1,405)	(1,225)
Trade accounts payable and accrued liabilities	17,761	7,640
Income taxes payable	(2,195)	1,849
Other long-term liabilities	(898)	(731)
Net cash provided by (used in) operating activities	16,954	27,535
Investing Activities
Acquisitions, net of cash acquired	(1,021)	0
Purchase of property, plant and equipment	(9,910)	(3,540)
Proceeds from sale of property, plant and equipment	429	523
Net cash used in investing activities	(10,502)	(3,017)
Financing Activities
Net change in bank revolving credit facility	0	5,000
Principal payments on long-term debt and capital leases	(223)	(731)
Dividends paid	(2,526)	(2,139)
Proceeds from sale of common stock	1,248	490
Excess tax benefits from stock-based payment arrangements	221	99
Net cash provided by (used in) financing activities	(1,280)	2,719
Effect of exchange rate changes on cash	140	788
Net change in cash and cash equivalents	5,312	28,025
Cash and cash equivalents at beginning of the period	48,291	10,288
Cash and cash equivalents at end of the period	53,603	38,313
Cash paid during the period for:
Interest	888	1,502
Income taxes	$ 15,550	$ 11,183