Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2012

Accrued Expenses [Abstract]

Components of Accrued Expenses

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

	December 31,
	2011		2012
Accrued commissions and other payments to distributors	$	68,925	$	110,950
Other taxes payable		12,628		23,558
Accrued payroll and payroll taxes		18,039		21,381
Accrued payable to vendors		12,752		6,717
Deferred revenue		22,007		4,608
Other accrued employee expenses		18,588		30,285
Other		27,443		35,703
	$	180,382	$	233,202