Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2015

Payables and Accruals [Abstract]

Schedule of accrued liabilities

The following table presents the detail of accrued liabilities for the periods presented (in thousands):

	December 31,
	2015		2014
Accrued incentives	$	96,708	$	69,583
Accrued payroll taxes and other employee-related expenses	75,881		56,394
Accrued commissions	65,794		59,357
Other accrued expenses	44,987		31,900
Accrued sales tax and value-added taxes	23,681		11,249
Accrued vacation	9,741		31,706
Total	$	316,792	$	260,189