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Income Taxes (Textual) (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Aug. 04, 2018
May 05, 2018
Feb. 03, 2018
Jan. 28, 2017
Aug. 04, 2018
Nov. 03, 2018
Operating Loss Carryforwards [Line Items]            
Federal statutory rate (as percent) 21.00%     35.00%    
Income tax expense (benefit)     $ 639.7      
Provisional income tax expense     687.1      
Transition tax     751.1      
Tax benefit related to deferred tax liabilities in prior years     64.0      
Foreign earnings, liability, current     60.1      
Foreign earnings, liability, noncurrent     691.0      
Excess tax benefit $ 6.0 $ 8.2 $ 10.0   $ 24.2  
Forecast            
Operating Loss Carryforwards [Line Items]            
Federal statutory rate (as percent)           23.40%