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Commitments and Contingencies (Details)
 6 Months Ended
Dec. 01, 2015
Nov. 20, 2012
lawsuit
Oct. 31, 2015
USD ($)
Commitments and Contingencies Disclosure [Abstract]      
Number of lawsuits where the Company is named as a defendant | lawsuit   4  
Period covered by lawsuit     2 years
Subsequent Event      
Loss Contingencies      
Duration of class action opt-out period 60 days    
Anticipated duration for court ordered fairness hearing date 90 days    
Minimum      
Loss Contingencies      
Statutory damages per violation     $ 100
Maximum      
Loss Contingencies      
Statutory damages per violation     $ 1,000