Commitments and Contingencies (Tables)

3 Months Ended

Mar. 29, 2019

Commitments and Contingencies Disclosure [Abstract]

Summary of Warranty Accrual Included in Accrued Liabilities

Activity for the Company’s warranty accrual, which is included in “Accrued and other current liabilities”, is summarized below (in thousands):

	Three months ended
	March 29, 2019			March 30, 2018
Balance at beginning of period	$	4,869		$	4,381
Accrual for current period warranties	1,403			1,736
Warranty costs incurred	(1,685		)	(1,595		)
Balance at end of period	$	4,587		$	4,522