XML 18 R6.htm IDEA: XBRL DOCUMENT v3.20.2
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) (Parenthetical) - USD ($)
3 Months Ended 9 Months Ended
Sep. 23, 2020
Sep. 25, 2019
Sep. 25, 2019
Statement of Comprehensive Income [Abstract]      
Income tax benefit $ 0 $ 0 $ 0