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Property and Equipment - Summary of Estimated Service Lives of Property and Equipment (Detail)
12 Months Ended
Jan. 03, 2015
Minimum [Member] | Buildings and Improvements [Member]  
Property, Plant and Equipment [Line Items]  
Estimate life, years 3 years
Minimum [Member] | Machinery, Equipment and Computer Software [Member]  
Property, Plant and Equipment [Line Items]  
Estimate life, years 2 years
Maximum [Member] | Buildings and Improvements [Member]  
Property, Plant and Equipment [Line Items]  
Estimate life, years 50 years
Maximum [Member] | Machinery, Equipment and Computer Software [Member]  
Property, Plant and Equipment [Line Items]  
Estimate life, years 15 years