Warranties (Tables)

3 Months Ended

Mar. 30, 2019

Product Warranties Disclosures [Abstract]

Components of 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 30, 2019			March 31, 2018
Balance as of beginning of period	$	4,379		$	4,863
Accruals for warranties issued during period		960			1,445
Settlements during the period		(1,491	)		(1,665	)
Balance as of end of period	$	3,848		$	4,643