Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Analysis of goodwill and intangible assets

The following table presents an analysis of intangible assets broken down between goodwill, intangible assets with an indefinite life and intangible assets with a definite life for the nine months ended September 30, 2017:

(U.S. dollars in thousands)	Goodwill		Intangible assets with an indefinite life		Intangible assets with a definite life			Total
Balance at December 31, 2016	$	1,213,524	$	682,779	$	307,350		$	2,203,653
Amortization	—		—		(16,876		)	(16,876		)
Foreign Currency Translation	18,749		14,950		6,538			40,237
Balance at September 30, 2017	$	1,232,273	$	697,729	$	297,012		$	2,227,014