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Receivables - Components of Finance and Contract Receivables Beyond One Year (Parenthetical) (Detail) - USD ($)
$ in Millions
Apr. 02, 2016
Jan. 02, 2016
Receivables [Abstract]    
Unearned finance charges, finance receivables $ 12.6 $ 10.9
Unearned finance charges, contract receivable $ 20.9 $ 21.1