XML 143 R97.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Income Taxes - Reconciliation of Total Amounts of Unrecognized Tax Benefits (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 28, 2019
Dec. 29, 2018
Dec. 30, 2017
Income Tax Disclosure [Abstract]      
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense $ 500 $ 800 $ 300
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]      
Unrecognized tax benefits (gross), beginning of period 15,412 16,157  
Increase from tax positions in prior period 81 701  
Increase from tax positions in current period 2,636 2,633  
Settlements 0 (33)  
Lapse of statute of limitations (1,120) (4,046)  
Unrecognized tax benefits (gross), end of period $ 17,009 $ 15,412 $ 16,157