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Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2014

Goodwill and Other Intangible Assets [Abstract]

Schedule of Intangible Assets and Goodwill

Goodwill and other intangible assets consist of the following (U.S. dollars in thousands):

		Carrying Amount at December 31,
Goodwill and indefinite life intangible assets:		2013				2014

Goodwill		$	112,446			$	112,446
Trademarks and trade names			24,599				24,599
		$	137,045			$	137,045

Schedule of Finite Life Intangible Assets

		December 31, 2013								December 31, 2014
Finite life intangible assets:		Gross Carrying Amount				Accumulated Amortization				Gross Carrying Amount				Accumulated Amortization			Weighted-average Amortization Period

Scanner technology		$	46,482			$	27,533			$	46,482			$	30,557		18 years
Developed technology			22,500				15,909				22,500				16,734		20 years
Distributor network			11,598				10,093				11,598				10,594		15 years
Trademarks			14,086				11,660				14,404				12,461		15 years
Other			53,540				24,442				45,006				19,181		8 years
		$	148,206			$	89,637			$	139,990			$	89,527		15 years