Product Warranty Liabilities (Tables)

3 Months Ended

Mar. 31, 2017

Guarantees [Abstract]

Summary of Activity in Product Warranty Liabilities

The following table summarizes the activity in the Company’s product warranty liabilities:

	2017			2016
Reserve at beginning of year	$	10,634		$	12,339
Additions	2,324			2,709
Payments	(2,030		)	(2,683		)
Reserve at March 31	$	10,928		$	12,365