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Note 10 - Share-based Employee Compensation (Tables)
9 Months Ended
Mar. 01, 2016
Notes Tables  
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
   
Stock Options
   
Weighted Average
Exercise Price
   
Weighted Average Remaining Contractual Term (years)
   
Aggregate Intrinsic Value
 
Service-based vesting:
                               
Balance at June 2, 2015
    2,441     $ 7.78                  
Cancellations and forfeitures
    (210
)
    6.60                  
Expired
    (96
)
    9.06                  
Balance at March 1, 2016
    2,135     $ 7.84       3.46     $  
Exercisable
    1,676     $ 8.20       2.96     $  
                                 
Market-based vesting:
                               
Balance at June 2, 2015
    515     $ 8.60                  
Cancellations and forfeitures
    (515
)
    8.60                  
Balance at March 1, 2016
        $                  
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]
           
Weighted-Average
 
   
Number of
   
Grant-Date
 
 
 
Shares
   
Fair Value
 
Service-based vesting:                
Unvested at June 2, 2015
    803     $ 6.98  
Granted
    344       6.45  
Vested
    (319 )     7.54  
Cancellations and forfeitures
    (156 )     7.59  
Unvested at March 1, 2016
    672     $ 6.30  
           
Weighted-Average
 
   
Number of
   
Grant-Date
 
 
 
Shares
   
Fair Value
 
Market-based vesting:                
Unvested at June 2, 2015
        $  
Granted
    262       6.51  
Cancellations and forfeitures
    (4 )     6.51  
Unvested at March 1, 2016
    258     $ 6.51