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Estimated Useful Lives of Property Plant and Equipment Excluding Capital Lease Asset (Detail)
12 Months Ended
Dec. 30, 2018
Building [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful life 20 years
Leasehold and Other Improvements [Member] | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful life 7 years
Leasehold and Other Improvements [Member] | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful life 15 years
Equipment [Member] | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful life 3 years
Equipment [Member] | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful life 15 years