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Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2017

Accrued Expenses [Abstract]

Accrued Expenses

Accrued expenses consist of the following (U.S. dollars in thousands):

		December 31,
		2016				2017
Accrued sales force commissions and other payments		$	126,153			$	151,549
Accrued income taxes		─					13,075
Accrued other taxes			31,748				44,580
Accrued payroll and other employee expenses			25,412				38,167
Accrued payable to vendors			28,456				29,874
Accrued royalties			4,767				2,623
Sales return reserve			6,125				4,523
Deferred revenue			13,494				12,669
Other			38,868				22,129
		$	275,023			$	319,189

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- Definition

Tabular disclosure of the components of accrued liabilities.

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