Inventories (Details) - USD ($) $ in Millions	Oct. 31, 2020	Aug. 01, 2020	Nov. 02, 2019
Inventory [Line Items]
Total inventories	$ 382.5	$ 322.3	$ 576.1
Premium Fashion
Inventory [Line Items]
Total inventories	222.0	184.6	298.3
Plus Fashion
Inventory [Line Items]
Total inventories	107.2	82.4	144.4
Kids Fashion
Inventory [Line Items]
Total inventories	$ 53.3	$ 55.3	$ 133.4

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