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Property at Cost - Additional information (Detail) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Nov. 03, 2018
Oct. 28, 2017
Nov. 03, 2018
Oct. 28, 2017
Feb. 03, 2018
Property, Plant and Equipment [Abstract]          
Depreciation expense $ 203.6 $ 186.9 $ 601.5 $ 534.0 $ 726.0