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Fair Value Measurements Fair Value Measurements - Schedule of Long-term Debt (Details) - USD ($)
$ in Millions
Nov. 28, 2020
May 30, 2020
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Carrying value $ 274.9 $ 539.9
Carrying value    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Carrying value 327.2 591.3
Fair value    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair value $ 334.4 $ 594.0