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Consolidated Condensed Balance Sheets (Parenthetical) - USD ($)
$ in Millions
Mar. 28, 2020
Dec. 28, 2019
Mar. 30, 2019
Statement of Financial Position [Abstract]      
Accounts receivable allowance $ 28.3 $ 26.7 $ 25.7
Common stock, par value $ 1 $ 1 $ 1
Common stock, shares authorized 320,000,000 320,000,000 320,000,000
Common stock, shares issued (including shares in treasury) 109,208,832 108,329,250 107,881,756
Treasury shares 28,146,763 27,181,512 19,152,384