Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2013

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:	2012		2013
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, 2012				December 31, 2013
Finite life intangible assets:	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization		Weighted-average Amortization Period
Scanner technology	$	46,482	$	24,490	$	46,482	$	27,533	18 years
Developed technology		22,500		15,085		22,500		15,909	20 years
Distributor network		11,598		9,591		11,598		10,093	15 years
Trademarks		13,784		10,925		14,086		11,660	15 years
Other		55,416		21,770		53,540		24,442	8 years
	$	149,780	$	81,861	$	148,206	$	89,637	15 years