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CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical) - USD ($)
$ in Thousands
Oct. 03, 2020
Dec. 28, 2019
Statement of Financial Position [Abstract]    
Accounts receivable, allowances $ 19,604 $ 13,234
Property, plant and equipment, accumulated depreciation $ 479,589 $ 464,913
Common stock, shares issued (in shares) 51,299,222 50,516,477
Common stock, shares outstanding (in shares) 51,299,222 50,516,477