Condensed Consolidated Statements of Cash Flows (unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Cash flows from operating activities:
Net earnings	$ 33,804	$ 34,127
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	20,190	7,838
Stock compensation expense	3,449	2,887
Deferred income taxes	(3,788)	73
Provision for doubtful accounts	239	0
Foreign currency transaction loss	84	69
Loss on sale of assets	140	0
Changes in assets and liabilities
Accounts receivable	(8,639)	1,710
Inventories	(1,698)	(3,965)
Prepaid expenses and other current assets	1,531	1,564
Accounts payable and accrued expenses	3,681	(5,347)
Income taxes	214	255
Customer deposits and other deferred revenue	(535)	233
Other	569	428
Net cash provided by operating activities	49,241	39,872
Cash flows from investing activities:
Capital expenditures	(5,934)	(6,644)
Proceeds from sale of property, plant and equipment	0	40
Cash paid for acquisition, net of cash acquired	(566,607)	0
Intangible assets acquired	(91)	(218)
Net cash used in investing activities	(572,632)	(6,822)
Cash flows from financing activities:
Proceeds from long-term debt	350,000	0
Principal payments on long-term debt	(8,750)	0
Proceeds from revolving loan	50,000	0
Principal payments on revolving loan	(50,000)	0
Cash paid for financing costs	(2,593)	0
Repayments of short-term obligations	(89)	(89)
Proceeds from stock options exercised	6,608	6,742
Excess tax benefits from stock compensation	3,626	5,715
Dividends paid	(7,856)	0
Purchase of treasury stock	(267)	(86)
Net cash provided by financing activities	340,679	12,282
Effect of exchange rate changes on cash	(631)	110
(Decrease) increase in cash and cash equivalents	(183,343)	45,442
Cash and cash equivalents beginning of period	208,747	144,737
Cash and cash equivalents end of period	$ 25,404	$ 190,179