Warranties (Tables)

3 Months Ended

Mar. 28, 2015

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 28, 2015			March 29, 2014
Balance as of beginning of period	$	2,953		$	3,426
Accruals for warranties issued during period	1,702			1,317
Settlements during the period	(1,215		)	(1,168		)
Balance as of end of period	$	3,440		$	3,575