XML 18 R7.htm IDEA: XBRL DOCUMENT v3.20.2
Consolidated Condensed Statements of Equity (Parenthetical) - shares
3 Months Ended 6 Months Ended
Jun. 27, 2020
Jun. 29, 2019
Jun. 27, 2020
Jun. 29, 2019
Common Stock        
Restricted stock issuance (shares) 8,244 11,295 52,433 48,482