XML 41 R81.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Income Taxes - Aggregate Changes in Balance of Gross Unrecognized Tax benefits (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 28, 2019
Dec. 29, 2018
Income Tax Contingency [Line Items]    
Beginning balance $ 6,164 $ 5,678
Additions based on tax positions related to the current year 1,519 784
Settlements   (233)
Lapse of statute of limitations   (65)
Ending balance $ 7,683 $ 6,164