Earnings Per Share Data - Narrative (Details) - shares	Oct. 30, 2021	Oct. 31, 2020
Earnings Per Share [Abstract]
Total dilutive and potentially dilutive securities outstanding (in shares)	0	0

The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options. Also, the number of shares of preferred stocks, other dilutive securities or potentially dilutive securities that validly exist and are outstanding as of the balance sheet date.

No definition available.

Name:	dds_DilutiveAndPotentiallyDilutiveSecurities
Namespace Prefix:	dds_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant