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Schedule of Long Term Debt (Details) - USD ($)
$ in Millions
Mar. 04, 2017
May 28, 2016
Debt Instrument [Line Items]    
Long-term debt $ 234.5 $ 221.9
Revolving Line of Credit, Domestic    
Debt Instrument [Line Items]    
Long-term debt 34.6 22.0
Series B [Member]    
Debt Instrument [Line Items]    
Long-term debt 149.9 149.9
Debt, Debt Securities [Member]    
Debt Instrument [Line Items]    
Long-term debt $ 50.0 $ 50.0