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Basis of Presentation (Tables)
12 Months Ended
Jul. 03, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of Asset Retirement Obligations
Balance at Beginning of PeriodLiabilities IncurredLiabilities SettledAccretion ExpenseRevisions to EstimatesBalance at End of Period
Year ended July 3, 2021$4.0 $0.3 $(0.7)$0.1 $— $3.7 
Year ended June 27, 20203.6 0.3 — 0.1 — 4.0