Quarterly report pursuant to Section 13 or 15(d)

Combined Balance Sheets (Unaudited) (Parenthetical)

v3.19.3
Combined Balance Sheets (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
Sep. 28, 2019
Dec. 29, 2018
Sep. 29, 2018
Statement of Financial Position [Abstract]      
Accounts receivable, allowance for doubtful accounts $ 11,385 $ 10,549 $ 10,314