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Long-term Debt - Narrative (Details)
3 Months Ended
Aug. 24, 2018
USD ($)
trading_day
$ / shares
shares
Sep. 29, 2019
USD ($)
Sep. 23, 2018
USD ($)
Jun. 30, 2019
USD ($)
Debt Instrument [Line Items]        
Proceeds from long-term debt borrowings   $ 0 $ 95,000,000.0  
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 $ 75,000,000.0 110,600,000    
Proceeds from long-term debt borrowings $ 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
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   631,400,000    
Line of Credit        
Debt Instrument [Line Items]        
Maximum borrowing capacity   500,000,000.0    
Outstanding borrowings   0    
Remaining borrowing capacity   $ 325,400,000    
Average interest rate (as a percent)   0.00%    
Commitment fee rate (as a percent)   0.05%