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Significant Accounting Policies - Schedule of Property and Equipment Useful Lives (Detail)
12 Months Ended
Jan. 30, 2016
Building and Building Improvements [Member]  
Property, Plant and Equipment [Line Items]  
Property and Equipment, Useful Life 40 years
Minimum [Member] | Machinery, Equipment and Aircraft [Member]  
Property, Plant and Equipment [Line Items]  
Property and Equipment, Useful Life 3 years
Minimum [Member] | Furniture, Fixtures and Equipment [Member]  
Property, Plant and Equipment [Line Items]  
Property and Equipment, Useful Life 3 years
Minimum [Member] | Computer Software [Member]  
Property, Plant and Equipment [Line Items]  
Property and Equipment, Useful Life 3 years
Maximum [Member] | Machinery, Equipment and Aircraft [Member]  
Property, Plant and Equipment [Line Items]  
Property and Equipment, Useful Life 10 years
Maximum [Member] | Furniture, Fixtures and Equipment [Member]  
Property, Plant and Equipment [Line Items]  
Property and Equipment, Useful Life 7 years
Maximum [Member] | Computer Software [Member]  
Property, Plant and Equipment [Line Items]  
Property and Equipment, Useful Life 7 years