Product Warranties (Tables)

6 Months Ended

Jun. 30, 2015

Product Warranties Disclosures [Abstract]

Schedule of Product Warranty Liability

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

	Six Months Ended June 30,
	2015			2014
Balance, beginning of period	$	2,246		$	1,638
Accruals	1,691			1,318
Payments	(1,118		)	(881		)
Balance, end of period	$	2,819		$	2,075