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CONTINGENCIES (Details)
$ in Millions
3 Months Ended
Jul. 29, 2015
USD ($)
Jan. 29, 2015
USD ($)
item
Jun. 30, 2015
USD ($)
Apr. 30, 2014
item
Environmental Matters        
Number of subpoenas received from the Hawaii Attorney General | item       2
Federal investigation        
Environmental Matters        
Number of counts of violating the refuse act accepted | item   2    
Settlement amount   $ 1.0    
Penalty payment in the form of a fine   0.4    
Penalty payment in the form of a community restitution payment   $ 0.6    
State of Hawaii investigation        
Environmental Matters        
Settlement amount $ 5.9      
Costs related to settlement     $ 11.4  
Accrued and other liabilities     $ 11.4  
State of Hawaii investigation | Minimum        
Environmental Matters        
Removal of molasses tank farm and pier risers 5.5      
State of Hawaii investigation | Maximum        
Environmental Matters        
Removal of molasses tank farm and pier risers $ 9.5