Summary of Significant Accounting Policies (Narrative) (Details) $ in Thousands	12 Months Ended
	Jan. 31, 2026 USD ($) store number_of_store segment state shares	Feb. 01, 2025 USD ($) shares	Feb. 03, 2024 USD ($) shares
Summary Of Significant Accounting Policies [Line Items]
Number of reportable segments | segment	1
Collateral trust	$ 66,600	$ 63,900	$ 60,800
Packaway inventory, storage period, less than	6 months
Capitalized interest	$ 12,748	19,447	12,106
Gain on sale of property	0	61,575	0
Proceeds from sale of property	0	82,642	0
Impairment of long-lived assets	0	0	0
Book cash overdrafts	74,300	71,300
Supplier finance program, obligation	$ 208,176	$ 159,209	146,937
Supplier Finance Program, Obligation, Current, Statement of Financial Position [Extensible Enumeration]	Accounts payable	Accounts payable
Refund due to customers	$ 25,200	$ 24,100	23,700
Expected recovery of merchandise inventory	12,800	12,400	12,100
Advertising costs	$ 82,000	$ 70,200	$ 67,700
Anti-dilutive weighted average shares excluded from EPS calculation (in shares) | shares	15,300	49,600	200
Standby Letters of Credit
Summary Of Significant Accounting Policies [Line Items]
Letters of credit, outstanding	$ 1,000	$ 1,800	$ 2,200
Property, Plant and Equipment
Summary Of Significant Accounting Policies [Line Items]
Property and equipment purchased but not yet paid	$ 72,100	$ 85,400	$ 78,200
Minimum | Equipment
Summary Of Significant Accounting Policies [Line Items]
Property and equipment estimated useful life, straight-line method	3 years
Minimum | Land, Buildings and Improvements
Summary Of Significant Accounting Policies [Line Items]
Property and equipment estimated useful life, straight-line method	20 years
Minimum | Software and Software Development Costs
Summary Of Significant Accounting Policies [Line Items]
Property and equipment estimated useful life, straight-line method	3 years
Maximum | Equipment
Summary Of Significant Accounting Policies [Line Items]
Property and equipment estimated useful life, straight-line method	12 years
Maximum | Land, Buildings and Improvements
Summary Of Significant Accounting Policies [Line Items]
Property and equipment estimated useful life, straight-line method	40 years
Maximum | Software and Software Development Costs
Summary Of Significant Accounting Policies [Line Items]
Property and equipment estimated useful life, straight-line method	7 years
Ross Dress for Less
Summary Of Significant Accounting Policies [Line Items]
Number of stores | store	1,904
Number of states company operates in | state	44
dd's Discounts
Summary Of Significant Accounting Policies [Line Items]
Number of stores | number_of_store	363
Number of states company operates in | state	22