Contingencies (Tables)

9 Months Ended

Sep. 30, 2017

Loss Contingency [Abstract]

Schedule of Product Warranty Liability

A summary of the warranty accrual activity for the nine months ended September 30, 2017 is presented below (in thousands):

Balances at December 31, 2016	$	10,548
Additions charged to costs and expenses	9,418
Deductions	(8,941		)
Other	149
Balances at September 30, 2017	$	11,174