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Organization, Basis of Presentation, and Summary of Significant Accounting Policies - Contract Assets and Liabilities (Details) - USD ($)
$ in Millions
3 Months Ended
Nov. 29, 2020
May 31, 2020
Accounting Policies [Abstract]    
Contract assets $ 8.9 $ 9.0
Contract liabilities 0.3 $ 0.0
Revenue recognized included in the contract liability $ 0.0