Interim Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Operating Activities
Net income	$ 18,737	$ 16,129
Adjustment to reconcile net income to net cash used by operating activities:
Provision for doubtful accounts	(53)	(12)
Depreciation	4,340	5,026
Amortization of debt issuance	63	63
Stock-based compensation expense	645	600
Excess tax benefits from stock-based payment arrangements	(111)	(71)
Provision for deferred income tax (benefit) expense	56	148
Loss on sale of property, plant & equipment	(202)	(117)
Changes in operating assets and liabilities:
Accounts receivable	(41,018)	(26,287)
Inventories	(14,378)	(8,785)
Prepaid expenses and other assets	(449)	(396)
Trade accounts payable and accrued liabilities	12,982	8,809
Income taxes payable	(1,712)	(387)
Other long-term liabilities	(465)	(316)
Net cash provided by (used in) operating activities	(21,565)	(5,596)
Investing Activities
Purchase of property, plant and equipment	(7,195)	(2,468)
Proceeds from sale of property, plant and equipment	373	203
Net cash used in investing activities	(6,822)	(2,265)
Financing Activities
Net change in bank revolving credit facility	0	33,000
Principal payments on long-term debt and capital leases	(146)	(606)
Dividends paid	(1,682)	(1,425)
Proceeds from sale of common stock	865	251
Excess tax benefits from stock-based payment arrangements	111	71
Net cash provided by (used in) financing activities	(852)	31,291
Effect of exchange rate changes on cash	(1,211)	(198)
Net change in cash and cash equivalents	(30,450)	23,232
Cash and cash equivalents at beginning of the period	48,291	10,288
Cash and cash equivalents at end of the period	17,841	33,520
Cash paid during the period for:
Interest	400	1,005
Income taxes	$ 7,543	$ 8,495