Interim Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Operating Activities
Net income	$ 6,950	$ 6,785
Adjustment to reconcile net income to net cash used by operating activities:
Provision for doubtful accounts	(86)	11
Depreciation	2,154	2,518
Amortization of debt issuance	32	32
Stock-based compensation expense	192	196
Excess tax benefits from stock-based payment arrangements	(20)	(37)
Provision for deferred income tax (benefit) expense	93	69
Loss on sale of property, plant & equipment	(128)	(37)
Changes in operating assets and liabilities:
Accounts receivable	(31,377)	(25,094)
Inventories	(11,123)	(12,408)
Prepaid expenses and other assets	(313)	(1,486)
Trade accounts payable and accrued liabilities	14,634	10,723
Income taxes payable	(983)	885
Other long-term liabilities	(318)	142
Net cash provided by (used in) operating activities	(20,293)	(17,701)
Investing Activities
Purchase of property, plant and equipment	(3,116)	(1,684)
Proceeds from sale of property, plant and equipment	277	49
Net cash used in investing activities	(2,839)	(1,635)
Financing Activities
Net change in bank revolving credit facility	10,000	45,000
Principal payments on long-term debt and capital leases	(73)	(492)
Proceeds from issuance of debt	0	2,421
Dividends paid	(840)	(712)
Proceeds from sale of common stock	565	39
Excess tax benefits from stock-based payment arrangements	20	37
Net cash provided by (used in) financing activities	9,672	46,293
Effect of exchange rate changes on cash	(1,340)	613
Net change in cash and cash equivalents	(14,800)	27,570
Cash and cash equivalents at beginning of the period	48,291	10,288
Cash and cash equivalents at end of the period	33,491	37,858
Cash paid during the period for:
Interest	186	513
Income taxes	$ 3,848	$ 2,426