Significant Accounting Policies - Depreciable Lives of Property and Equipment (Detail)	12 Months Ended
	Dec. 28, 2013
Minimum [Member] | Buildings [Member]
Property, Plant and Equipment [Line Items]
Depreciable lives of property and equipment	30 years
Minimum [Member] | Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Depreciable lives of property and equipment	3 years
Minimum [Member] | Distribution equipment [Member]
Property, Plant and Equipment [Line Items]
Depreciable lives of property and equipment	5 years
Minimum [Member] | Computer equipment and software [Member]
Property, Plant and Equipment [Line Items]
Depreciable lives of property and equipment	3 years
Maximum [Member] | Buildings [Member]
Property, Plant and Equipment [Line Items]
Depreciable lives of property and equipment	40 years
Maximum [Member] | Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Depreciable lives of property and equipment	17 years
Maximum [Member] | Distribution equipment [Member]
Property, Plant and Equipment [Line Items]
Depreciable lives of property and equipment	10 years
Maximum [Member] | Computer equipment and software [Member]
Property, Plant and Equipment [Line Items]
Depreciable lives of property and equipment	10 years