Warranties (Tables)

9 Months Ended

Sep. 28, 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						Nine Months Ended
	September 28, 2019			September 29, 2018			September 28, 2019			September 29, 2018
Balance as of beginning of period	$	3,755		$	4,906		$	4,379		$	4,863
Accruals for warranties issued during period		1,201			1,020			3,068			3,915
Settlements during the period		(563	)		(1,668	)		(3,054	)		(4,520	)
Balance as of end of period	$	4,393		$	4,258		$	4,393		$	4,258