Warranties (Tables)

3 Months Ended

Mar. 26, 2016

Product Warranties Disclosures [Abstract]

Components of the warranty accrual

Components of the warranty accrual, which were included in the accompanying condensed consolidated balance sheets with other current liabilities, were as follows (in thousands):

	Three Months Ended
	March 26, 2016			March 28, 2015
Balance as of beginning of period	$	4,504		$	2,953
Accruals for warranties issued during period		1,061			1,702
Settlements during the period		(1,188	)		(1,215	)
Balance as of end of period	$	4,377		$	3,440