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DERIVATIVE FINANCIAL INSTRUMENTS - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
May 28, 2017
May 29, 2016
May 31, 2015
May 25, 2014
Derivative Financial Instruments [Line Items]        
Period of economic hedge (up to) 36 months      
Unamortized amount of deferred gain $ 2.3      
Losses representing the change in fair value of related senior long-term debt     $ 5.8  
Amounts representing a right to reclaim cash collateral included in prepaid expenses and other current assets 0.9 $ 0.3    
Setoff to total derivative assets 0.5 1.7    
Setoff to total derivative liabilities 1.4 2.0    
Maximum amount of loss due to credit risk of courterparties 0.3      
Interest rate swap contracts        
Derivative Financial Instruments [Line Items]        
Total notional amount of contracts       $ 500.0
Proceeds from termination of interest rate swap contracts     21.9  
Accrued interest from interest rate swap contract     3.9  
Gains representing the change in fair value of interest rate swap contracts     5.4  
Cumulative adjustment to fair value of debt instruments hedged     12.6  
Portion written off in connection with spinoff and third quarter early retirement of debt 3.1      
Portion written off related to the third quarter tender offers   3.0    
Gains representing fair value of interest rate swap contracts     8.9  
Net gain classified within selling, general and administrative expenses     $ 3.1  
Commodity contracts        
Derivative Financial Instruments [Line Items]        
Total notional amount of contracts 76.8 74.7    
Purchase and sales contracts        
Derivative Financial Instruments [Line Items]        
Total notional amount of contracts 73.4 41.5    
Foreign currency forward and cross currency swap contracts        
Derivative Financial Instruments [Line Items]        
Total notional amount of contracts $ 81.9 $ 112.9