Product Warranties (Tables)

9 Months Ended

Sep. 30, 2015

Product Warranties Disclosures [Abstract]

Schedule of Product Warranty Liability

Changes in our product warranty obligations were as follows (in thousands):

	Nine Months Ended September 30,
	2015			2014
Balance, beginning of period	$	2,246		$	1,638
Accruals	1,845			1,719
Payments	(1,433		)	(1,236		)
Balance, end of period	$	2,658		$	2,121