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Receivables - Components of Current Finance and Contract Receivables (Parenthetical) (Detail) - USD ($)
$ in Millions
Jul. 02, 2016
Jan. 02, 2016
Receivables [Abstract]    
Unearned finance charges, finance receivables $ 17.4 $ 16.9
Unearned finance charges, contract receivable $ 15.3 $ 15.1