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COMMITMENTS AND CONTINGENCIES Commitments and Guarantees (Details) - USD ($)
$ in Millions
12 Months Ended
Jun. 30, 2021
Jun. 24, 2020
Jun. 26, 2019
Guarantor Obligations [Line Items]      
Loss contingency, loss in period $ 2.2 $ 0.0 $ 0.0
Amount of undrawn standby letters of credit outstanding 6.8    
Lease Guarantees And Secondary Obligations [Member]      
Guarantor Obligations [Line Items]      
Loss contingency, loss in period 1.5    
Maximum | Lease Guarantees And Secondary Obligations [Member]      
Guarantor Obligations [Line Items]      
Loss contingency, estimate of possible loss $ 29.2 $ 39.7