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Significant Accounting Policies - Property, Plant and Equipment (Details)
12 Months Ended
May 03, 2014
Buildings and improvements | Maximum
 
Property, Plant and Equipment [Line Items]  
Estimated useful lives of property, plant and equipment 40 years
Buildings and improvements | Minimum
 
Property, Plant and Equipment [Line Items]  
Estimated useful lives of property, plant and equipment 5 years
Machinery and equipment | Maximum
 
Property, Plant and Equipment [Line Items]  
Estimated useful lives of property, plant and equipment 15 years
Machinery and equipment | Minimum
 
Property, Plant and Equipment [Line Items]  
Estimated useful lives of property, plant and equipment 3 years