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Receivables - Components of Trade and Other Accounts Receivable (Detail) - USD ($)
$ in Millions
Dec. 30, 2017
Dec. 31, 2016
Receivables [Abstract]    
Trade and other accounts receivable $ 690.2 $ 612.8
Allowances for doubtful accounts (14.6) (14.0)
Total trade and other accounts receivable - net $ 675.6 $ 598.8