Commitments and Contingencies (Tables)

3 Months Ended

Apr. 03, 2021

Commitments and Contingencies Disclosure [Abstract]

Warranty Liabilities

The activity in the accrued warranty liabilities account was as follows (in thousands):

	Three Months Ended
	April 3, 2021		March 28, 2020
Balance at beginning of year	$	12,152	$	11,345
Additions charged to costs and expenses for current-year sales	4,330		2,628
Deductions from reserves	(4,717)		(2,779)
Changes in liability for pre-existing warranties during the current year, including expirations	(156)		297
Balance at end of period	$	11,609	$	11,491