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Long-term Debt - Narrative (Details)
12 Months Ended
Apr. 21, 2020
USD ($)
trading_day
$ / shares
shares
Aug. 24, 2018
USD ($)
trading_day
$ / shares
shares
Jun. 28, 2020
USD ($)
Jun. 30, 2019
USD ($)
Jun. 24, 2018
USD ($)
Mar. 27, 2020
USD ($)
Mar. 26, 2020
USD ($)
Convertible Notes              
Debt Instrument [Line Items]              
Carrying amount of equity component of convertible debt     $ 228,300,000 $ 110,600,000      
Interest expense     33,000,000.0 $ 22,600,000 $ 0    
Convertible Notes | Level 2              
Debt Instrument [Line Items]              
Fair value of debt instrument     1,280,300,000        
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          
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%          
Repurchase of aggregate principal amount of debt instrument     150,200,000        
Decrease in accrued interest from repurchase of debt     200,000        
Carrying amount of equity component of convertible debt     110,600,000        
Decrease in carrying amount of equity component of convertible debt     27,700,000        
Effective interest rate (as a percent)   5.87%          
Convertible Notes | Convertible Notes due May 1, 2026              
Debt Instrument [Line Items]              
Aggregate principal amount $ 500,000,000.0            
Stated interest rate (as a percent) 1.75%            
Aggregate principal amount of conversion feature $ 75,000,000.0            
Proceeds from long-term debt borrowings $ 561,400,000            
Conversion rate (shares) | shares 21.1346            
Conversion price (USD per share) | $ / shares $ 47.32            
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%            
Proceeds from Notes used to repurchase debt     144,300,000        
Carrying amount of equity component of convertible debt     145,400,000        
Effective interest rate (as a percent) 7.45%            
Line of Credit              
Debt Instrument [Line Items]              
Maximum borrowing capacity     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        
Remaining borrowing capacity     $ 125,000,000.0        
Average interest rate (as a percent)     0.00%        
Commitment fee rate (as a percent)     0.25%