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Noncontrolling Interests (Details)
3 Months Ended
Oct. 28, 2012
China [Member]
 
Noncontrolling Interest [Line Items]  
Controlling interest in a company 60.00%
Malaysia [Member]
 
Noncontrolling Interest [Line Items]  
Controlling interest in a company 70.00%
Net earnings loss attributable to noncontrolling interest less than $1