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Interest Income for Distributor Notes Receivable (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Jan. 03, 2015
Dec. 28, 2013
Dec. 29, 2012
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Interest Income $ 20,947us-gaap_InvestmentIncomeInterest $ 16,015us-gaap_InvestmentIncomeInterest $ 13,672us-gaap_InvestmentIncomeInterest