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Stock-Based Compensation - Stock Option Valuation Assumptions (Details)
12 Months Ended
Jun. 30, 2019
Jun. 24, 2018
Jun. 25, 2017
Employee Service Share Based Compensation Aggregate Disclosures [Abstract]      
Expected term (years) 5 years 6 months 5 years 2 months 12 days 5 years
Risk-free interest rate 2.90% 2.00% 1.40%
Volatility 32.60% 34.30% 37.90%
Dividend yield 0.00% 0.00% 0.00%