Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2012

Goodwill and Other Intangible Assets [Abstract]

Schedule of goodwill and indefinite life intangible assets

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:	2011		2012
Goodwill	$	112,446	$	112,446
Trademarks and trade names		24,599		24,599
	$	137,045	$	137,045

Schedule of finite life intangible assets

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:	2011		2012
Goodwill	$	112,446	$	112,446
Trademarks and trade names		24,599		24,599
	$	137,045	$	137,045