GUARANTEES

The Company’s product warranty accrual reflects management’s best estimate of probable liability under its product warranties. Historical product claims data is used to estimate the cost of product warranties at the time revenue is recognized.

Changes in the product warranty accrual, which is recorded in “Accrued expenses”, for the years ended December 29, 2018 and December 30, 2017, were as follows:



	2018			2017
Balance, beginning of period	$	20,109		$	26,538
Payments made	(18,920		)	(26,097		)
Change in liability for warranties issued during the period	13,566			9,787
Change in liability for pre-existing warranties	2,253			9,881
Balance, end of period	$	17,008		$	20,109