Goodwill and Other Intangible Assets (Goodwill Rollforward) (Details) - USD ($) $ in Millions		9 Months Ended		12 Months Ended
		May 02, 2020	May 04, 2019	Aug. 03, 2019
Goodwill [Roll Forward]
Balance at August 3, 2019		$ 313.5
Impairment losses		(148.9)	$ (115.1)	$ (115.1)
Balance at May 2, 2020		164.6		313.5
Premium Fashion
Goodwill [Roll Forward]
Balance at August 3, 2019	[1]	305.0
Impairment losses	[1]	(140.4)
Balance at May 2, 2020	[1]	164.6		305.0
Goodwill, accumulated impairment loss		569.3		428.9
Kids Fashion
Goodwill [Roll Forward]
Balance at August 3, 2019	[2]	8.5
Impairment losses	[2]	(8.5)
Balance at May 2, 2020	[2]	0.0		8.5
Goodwill, accumulated impairment loss		$ 169.4		$ 160.9

[1] ^(a) Net of accumulated impairment losses of $569.3 million and $428.9 million for the Premium Fashion segment as of May 2, 2020 and August 3, 2019, respectively.

[2] ^(b) Net of accumulated impairment losses of $169.4 million and $160.9 million for the Kids Fashion segment as of May 2, 2020 and August 3, 2019, respectively.