Interim Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Operating Activities
Net income	$ 29,800	$ 30,070
Adjustment to reconcile net income to net cash provided by operating activities:
Provision for doubtful accounts	304	(73)
Depreciation	7,764	6,585
Amortization of intangibles	676	0
Amortization of debt issuance	130	95
Stock-based compensation expense	1,801	1,146
Excess tax benefits from stock-based payment arrangements	(437)	(221)
Provision for deferred income tax (benefit) expense	(2,808)	(983)
Gain on sale of property, plant and equipment	(936)	(253)
Changes in operating assets and liabilities, net of amounts acquired:
Accounts receivable	(13,141)	(20,857)
Inventories	(28,423)	(11,818)
Prepaid expenses and other assets	2,752	(1,405)
Trade accounts payable and accrued liabilities	24,307	17,761
Income taxes payable	3,637	(2,195)
Other long-term liabilities	(1,016)	(898)
Net cash provided by operating activities	24,410	16,954
Investing Activities
Acquisitions, net of cash acquired	(196,363)	(1,021)
Purchase of property, plant and equipment	(6,689)	(9,910)
Proceeds from sale of property, plant and equipment	1,064	429
Net cash used in investing activities	(201,988)	(10,502)
Financing Activities
Borrowings on bank revolving credit facility	248,000	0
Repayments on bank revolving credit facility	(58,000)	0
Principal payments on long-term debt and capital leases	(434)	(223)
Proceeds from issuance of debt	780	0
Debt issuance cost	(818)	0
Dividends paid	(2,540)	(2,526)
Proceeds from sale of common stock	427	1,248
Excess tax benefits from stock-based payment arrangements	437	221
Cost of common stock repurchased (note 4)	(34,204)	0
Net cash provided by (used in) financing activities	153,648	(1,280)
Effect of exchange rate changes on cash and cash equivalents	(1,386)	140
Net change in cash and cash equivalents	(25,316)	5,312
Cash and cash equivalents at beginning of the period	63,960	48,291
Cash and cash equivalents at end of the period	38,644	53,603
Cash paid during the period for:
Interest	1,859	888
Income taxes	$ 14,242	$ 15,550