Warranty (Tables)

3 Months Ended

Mar. 28, 2020

Guarantees [Abstract]

Schedule of Product Warranty Liability

The following table displays the activity in the warranty provision account for the three-month periods ended March 28, 2020 and March 30, 2019.

	Three Months Ended
	March 28, 2020			March 30, 2019
	(In thousands)
Opening balance	$	1,022		$	997
Expenditures incurred under warranties		(120	)		(167	)
Accruals for product warranties issued during the reporting period		25			324
Adjustments to previously existing warranty accruals		(202	)		143
Closing balance	$	725		$	1,297

The following table displays the balance sheet classification of the warranty provision account at March 28, 2020 and at December 28, 2019.

	March 28,		December 28,
	2020		2019
	(In thousands)
Other accrued liabilities	$	582	$	846
Other long-term liabilities		143		176
Total warranty provision	$	725	$	1,022