Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2019

Other Intangible Assets [Abstract]

Indefinite Life Intangible Assets

Other intangible assets consist of the following (U.S. dollars in thousands):

	Carrying Amount at December 31,
	2019		2018
Indefinite life intangible assets:
Trademarks and trade names	$	24,599	$	24,599
Other indefinite lived intangibles		3,763		3,763
	$	28,362	$	28,362

Finite Life Intangible Assets

	December 31, 2019				December 31, 2018
Finite life intangible assets:	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization		Weighted-average Amortization Period
Scanner technology	$	46,482	$	45,724	$	46,482	$	42,690	18 years
Developed technology		22,500		20,856		22,500		20,032	20 years
Distributor network		11,598		11,598		11,598		11,598	15 years
Trademarks		5,938		2,462		5,823		1,812	11 years
Other		92,331		46,250		95,150		43,794	10 years
	$	178,849	$	126,890	$	181,553	$	119,926	14 years

Annual Estimated Future Amortization Expense

The estimated annual amortization expense for each of the five succeeding fiscal years are as follows (U.S. dollars in thousands):

Year Ending December 31,
2020	$	9,445
2021		7,945
2022		6,899
2023		6,759
2024		6,268