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Equity (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 27, 2019
Dec. 28, 2018
Dec. 29, 2017
Mar. 01, 2017
Mar. 16, 2016
Class of Stock [Line Items]          
Preferred shares, shares authorized (in shares) 500,000,000 500,000,000      
Preferred shares, par value (in usd per share) $ 0.20 $ 0.20      
Preferred shares, shares issued (in shares) 0 0      
Share-based Payment Arrangement, Cash Used to Settle Award $ 2.6 $ 0.0 $ 5.1    
Treasury Stock, Shares, Canceled     26,500,000    
Treasury Stock, Canceled, Value     $ 5.3    
March 2016 Repurchase Program [Member]          
Class of Stock [Line Items]          
Stock Repurchase Program, Authorized Amount         $ 350.0
March 2017 Repurchase Program [Member]          
Class of Stock [Line Items]          
Stock Repurchase Program, Authorized Amount       $ 1,000.0