XML 84 R93.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Income Tax - Reconciliation of Unrecognized Tax Benefits (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 28, 2019
Dec. 29, 2018
Reconciliation Of Unrecognized Tax Benefits Excluding Amounts Pertaining To Examined Tax Returns Roll Forward    
Balance at beginning of year $ 1,477 $ 2,408
Gross increases - tax positions taken in prior years 71 163
Gross decreases - tax positions taken in prior years (125) (171)
Gross increases - tax positions taken in current year 850 894
Lapsed statutes of limitations (848) (1,817)
Balance at end of year $ 1,425 $ 1,477