Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2018

Payables and Accruals [Abstract]

Constituents of Accrued Expenses

Accrued expenses consisted of the following (in thousands):

	December 31,
	2018		2017
Salaries, commissions, and payroll taxes	$	11,039	$	9,944
Company bonuses	9,134		13,721
Vacation	6,507		5,479
Foreign retirement obligations	4,816		4,260
Warranty obligations	4,743		4,701
Acquisition deferred and contingent liabilities	431		6,022
Other	23,550		24,122
	$	60,220	$	68,249

Changes in Warranty Obligations

The changes in the warranty obligation were as follows (in thousands):

Balance as of December 31, 2016	$	4,335
Provisions for warranties issued during the period	2,843
Fulfillment of warranty obligations	(3,109		)
Foreign exchange rate changes	632
Balance as of December 31, 2017	4,701
Provisions for warranties issued during the period	4,184
Fulfillment of warranty obligations	(4,024		)
Foreign exchange rate changes	(118		)
Balance as of December 31, 2018	$	4,743