Related Party Transactions (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended
May 05, 2018	Apr. 29, 2017
Schottenstein Affiliates [Abstract]
Related party transaction Outstanding common shares owned (in hundredths)	14.00%
Related party transaction Combined voting power of outstanding common shares (in hundredths)	49.00%
Operating Leases, Rent Expense, Minimum Rentals	$ 2.3	$ 2.3
Management Fees, Base Revenue	0.3	0.3
Proceeds from Royalties Received	0.1	0.1
Related Party Transaction, Other Revenues from Transactions with Related Party	$ 0.4	0.9
Class A Common Shares
Schottenstein Affiliates [Abstract]
Related Party Transaction, Number of shares owned by related party (in shares)	4.0
Class B Common Shares
Schottenstein Affiliates [Abstract]
Related Party Transaction, Number of shares owned by related party (in shares)	7.7
Schottenstein Affiliates [Member]
Schottenstein Affiliates [Abstract]
Related Party Transaction, Purchases from Related Party	$ 1.5	$ 0.3
Town [Member]
Schottenstein Affiliates [Abstract]
Related Party Transaction, Purchases from Related Party	$ 1.3

Percentage of the combined voting power of the entity's outstanding Common Shares by a related party.

No definition available.

Name:	dsw_RelatedPartyTransactionCombinedVotingPowerOfOutstandingCommonSharesInHundredths
Namespace Prefix:	dsw_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the number of shares of common stock held by a related party as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	dsw_RelatedPartyTransactionNumberOfSharesOwnedByRelatedPartyInShares
Namespace Prefix:	dsw_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of outstanding Common Shares owned of the entity by a related party.

+ References

No definition available.

+ Details

Name:	dsw_RelatedPartyTransactionOutstandingCommonSharesOwnedInHundredths
Namespace Prefix:	dsw_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Schottenstein Affiliates [Abstract]

+ References

No definition available.

+ Details

Name:	dsw_SchottensteinAffiliatesAbstract
Namespace Prefix:	dsw_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Base revenue, as contractually stipulated, for operating and managing another entity's business during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(d))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

+ Details

Name:	us-gaap_ManagementFeesBaseRevenue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

This element represents the payments that the lessee is obligated to make or can be required to make in connection with a property under the terms of an agreement classified as an operating lease, excluding contingent rentals and a guarantee by the lessee of the lessor's debt and the lessee's obligation to pay (apart from the rental payments) executory costs such as insurance, maintenance, and taxes.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41499-112717

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 10
-Section 25
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77910348&loc=d3e34039-112682

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 10
-Section 55
-Paragraph 40
-Subparagraph (Note 3)
-URI http://asc.fasb.org/extlink&oid=82846649&loc=d3e38371-112697

+ Details

Name:	us-gaap_OperatingLeasesRentExpenseMinimumRentals
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Cash received for royalties during the current period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
-Subparagraph (a),(c)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3536-108585

+ Details

Name:	us-gaap_ProceedsFromRoyaltiesReceived
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Reflects the sum of all other revenue and income realized from sales and other transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party during the period.

+ References

No definition available.

+ Details

Name:	us-gaap_RelatedPartyTransactionOtherRevenuesFromTransactionsWithRelatedParty
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Purchases during the period (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

+ References

No definition available.

+ Details

Name:	us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassBMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=dsw_SchottensteinAffiliatesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=dsw_TownMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: