XML 128 R55.htm IDEA: XBRL DOCUMENT v3.20.4
Summary of Significant Accounting Policies - Changes in Product Warranty Accrual (Detail) - USD ($)
$ in Thousands
12 Months Ended
Jan. 02, 2021
Dec. 28, 2019
Dec. 29, 2018
Movement in Standard Product Warranty Accrual [Roll Forward]      
Warranty accrual, beginning of period $ 3,395 $ 1,910 $ 1,149
Accrual for warranties issued 832 1,715 1,549
Changes in pre-existing warranties (including changes in estimates)(1) (196) (1,130) (551)
Settlements made (1,683) (1,360) (1,339)
Warranty accrual, end of period $ 2,740 $ 3,395 $ 1,910