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Carrying Value of Distributor Notes (Detail) (USD $)
In Thousands, unless otherwise specified
Apr. 25, 2015
Jan. 03, 2015
Fair Value Of Financial Instruments [Abstract]    
Distributor notes receivable $ 184,696us-gaap_NotesReceivableNet $ 182,188us-gaap_NotesReceivableNet
Current portion of distributor notes receivable recorded in accounts and notes receivable, net 20,416us-gaap_NotesAndLoansReceivableNetCurrent 20,283us-gaap_NotesAndLoansReceivableNetCurrent
Long-term portion of distributor notes receivable $ 164,280us-gaap_NotesAndLoansReceivableNetNoncurrent $ 161,905us-gaap_NotesAndLoansReceivableNetNoncurrent