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Fair Value Measurements Fair Value Measurements - Schedule of Long-term Debt (Details) - USD ($)
$ in Millions
Aug. 31, 2019
Jun. 01, 2019
Carrying value    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Carrying value $ 278.3 $ 285.0
Fair value    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair value $ 280.8 $ 287.8