XML 58 R47.htm IDEA: XBRL DOCUMENT v3.20.2
Income Taxes - Additional Information (Detail)
$ in Millions
Sep. 26, 2020
USD ($)
Income Tax Disclosure [Abstract]  
Net unrecognized tax benefits $ 1.1
Unrecognized tax benefits which would lower effective tax rate if recognized 1.0
Accrued interest and penalties related to uncertain tax positions $ 0.1