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Redeemable Preferred Shares (Details)
$ / shares in Units, $ in Millions
9 Months Ended
Oct. 05, 2018
Oct. 05, 2016
USD ($)
$ / shares
shares
Oct. 29, 2016
USD ($)
$ / shares
shares
Temporary Equity [Line Items]      
Dividends on redeemable convertible preferred shares     $ 0.1
Series A Redeemable Convertible Preferred Stock      
Temporary Equity [Line Items]      
Redeemable convertible preferred stock, shares issued | shares   625,000  
Preferred stock, purchase price   $ 625.0  
Shares issued, price per share | $ / shares   $ 1,000  
Payments of stock issuance costs   $ 13.4  
Dividends on redeemable convertible preferred shares     0.1
Liquidation preference     $ 627.2
Preferred stock, dividend rate, percentage     5.00%
Conversion ratio     10.6529
Conversion price | $ / shares     $ 93.8712
Conversion of stock, shares issued | shares     6,700,000
Percentage of cash equal to the stated value     101.00%
Scenario, Forecast | Series A Redeemable Convertible Preferred Stock      
Temporary Equity [Line Items]      
Percentage exceeding applicable conversion price 175.00%    
Threshold period at which shares can be converted 20 days    
Maximum | Series A Redeemable Convertible Preferred Stock      
Temporary Equity [Line Items]      
Preferred dividends, percentage of average quarterly cash dividends (not more than)     130.00%