Interim Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Operating Activities
Net Income	$ 16,129	$ 14,581
Adjustment to reconcile net income to net cash used by operating activities:
Provision for doubtful accounts	(12)	742
Depreciation	5,026	5,287
Amortization of debt issuance	63	125
Stock-based compensation expense	600	564
Excess tax benefits from stock-based payment arrangements	(71)	(119)
Provision for deferred income tax (benefit) expense	148	(1,050)
Loss on sale of property, plant & equipment	(117)	(65)
Changes in operating assets and liabilities:
Accounts receivable	(26,287)	(40,411)
Inventories	(8,785)	(20,537)
Prepaid expenses and other assets	(396)	(1,770)
Trade accounts payable and accrued liabilities	8,809	9,539
Income taxes payable	(387)	(1,499)
Other long-term liabilities	(316)	1,132
Net cash provided by (used in) operating activities	(5,596)	(33,481)
Investing Activities
Purchase of property, plant and equipment	(2,468)	(3,048)
Proceeds from sale of property, plant and equipment	203	114
Net cash used in investing activities	(2,265)	(2,934)
Financing Activities
Net change in bank revolving credit facility	33,000	33,500
Principal payments on long-term debt and capital leases	(606)	(1,404)
Proceeds from issuance of long-term debt	0	194
Dividends paid	(1,425)	(1,420)
Proceeds from sale of common stock	251	233
Excess tax benefits from stock-based payment arrangements	71	119
Net cash provided by (used in) financing activities	31,291	31,222
Effect of exchange rate changes on cash	(198)	1,095
Net change in cash and cash equivalents	23,232	(4,098)
Cash and cash equivalents at beginning of the period	10,288	30,243
Cash and cash equivalents at end of the period	33,520	26,145
Cash paid during the period for:
Interest	1,005	1,167
Income taxes	$ 8,495	$ 9,899