Inventories (Details) - USD ($) $ in Millions	Feb. 01, 2020	Aug. 03, 2019	Feb. 02, 2019
Inventory [Line Items]
Total inventories	$ 488.2	$ 490.7	$ 515.3
Premium Fashion
Inventory [Line Items]
Total inventories	229.2	226.3	246.0
Plus Fashion
Inventory [Line Items]
Total inventories	162.8	156.5	173.7
Kids Fashion
Inventory [Line Items]
Total inventories	$ 96.2	$ 107.9	$ 95.6

Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 330
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 5.BB)
-URI http://asc.fasb.org/extlink&oid=27011343&loc=d3e100047-122729

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(6)(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_InventoryFinishedGoodsNetOfReserves
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant