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Long-term Debt - Narrative (Details)
3 Months Ended 9 Months Ended
Aug. 24, 2018
USD ($)
trading_day
$ / shares
shares
Mar. 29, 2020
USD ($)
Mar. 29, 2020
USD ($)
Mar. 27, 2020
USD ($)
Mar. 26, 2020
USD ($)
Jun. 30, 2019
USD ($)
Convertible Notes | Convertible Notes due September 1, 2023            
Debt Instrument [Line Items]            
Aggregate principal amount $ 500,000,000.0          
Stated interest rate (as a percent) 0.875%          
Aggregate principal amount of conversion feature $ 75,000,000.0          
Proceeds from issuance of long-term debt $ 562,100,000          
Conversion rate (shares) | shares 16.6745          
Conversion price (USD per share) | $ / shares $ 59.97          
Threshold percentage of stock price trigger (as a percent) 130.00%          
Threshold trading days | trading_day 20          
Threshold consecutive trading days | trading_day 30          
Conversion ratio (as a percent) 1          
Period of reported sale price of common stock 5 days          
Period of consecutive reported sale price of common stock 10 days          
Percentage of product of last reported price (as a percent) 98.00%          
Carrying amount of equity component of convertible debt   $ 110,600,000 $ 110,600,000     $ 110,600,000
Effective interest rate (as a percent) 0.49%          
Convertible Notes | Convertible Notes due September 1, 2023 | Level 2            
Debt Instrument [Line Items]            
Fair value of debt instrument   540,800,000 540,800,000      
Line of Credit            
Debt Instrument [Line Items]            
Maximum borrowing capacity   125,000,000.0 125,000,000.0 $ 125,000,000.0 $ 250,000,000.0  
Minimum required ratio of cash equivalents and marketable securities to outstanding loans and letters of credit obligations       1.25    
Outstanding borrowings   0 0      
Remaining borrowing capacity   $ 87,600,000 $ 87,600,000      
Average interest rate (as a percent)   0.00% 0.00%      
Commitment fee rate (as a percent)     0.25%