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Shareholders' Deficit - Additional Information (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended
Sep. 27, 2018
Aug. 13, 2018
Sep. 26, 2018
Sep. 27, 2017
Jun. 28, 2018
Stockholders' Equity Note [Abstract]          
Board authorized increase in share repurchase program     $ 300.0    
Purchases of treasury stock     $ 105.5 $ 41.7  
Share repurchase program, cumulative amount of authorizations   $ 4,900.0      
Number of shares repurchased     2.1 1.3  
Remaining amount of share repurchase authorizations available     $ 259.8    
Stock options granted     0.3    
Weighted average exercise price of stock options granted     $ 43.35    
Weighted average fair value of stock options granted     $ 8.03    
Restricted share awards granted     0.3    
Weighted average fair value of restricted share awards granted     $ 43.35    
Payments of dividends $ 15.3   $ 16.2 $ 17.0  
Dividends per share declared   $ 0.38 $ 0.38 $ 0.38  
Cumulative Effect of New Accounting Principle in Period of Adoption         $ (7.4)