Share-Based Compensation Plans - Additional Information (Details)	12 Months Ended
	Jan. 31, 2026 USD ($) $ / shares shares	Feb. 01, 2025 USD ($) $ / shares shares	Feb. 03, 2024 USD ($) $ / shares shares	Jun. 26, 2025 shares	Apr. 16, 2025	Apr. 15, 2025	Jun. 25, 2024 shares	Mar. 31, 2024	Jun. 22, 2023 shares	Jun. 30, 2020 USD ($)	Jun. 25, 2020 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares vested	0	0	0
Nonvested Restricted Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation cost \| $	$ 8,700,000	$ 10,700,000	$ 12,600,000
Unrecognized share-based compensation cost \| $	$ 7,800,000
Grant to Employees and Performance-Based Compensation (Shares)	142,258	300,157	256,866
Forfeited shares (in shares)	13,372	35,408	76,633
Forfeited, Weighted-Average Grant-Date Fair Value (in dollars per share) \| $ / shares	$ 43.33	$ 42.3	$ 45.32
Nonvested, ending balance (in shares)	443,970	531,224	572,442
Weighted average expected period nonvested share-based compensation	1 year 6 months 18 days
Shares vested	151,611	216,025	210,757
Granted, Weighted-Average Grant-Date Fair Value (in dollars per share) \| $ / shares	$ 18.28	$ 31.71	$ 36.21
Performance Based Share Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Annual vesting percentage with no performance	0.00%
Unrecognized share-based compensation cost \| $	$ 4,900,000
Grant to Employees and Performance-Based Compensation (Shares)	171,503	153,602	96,866
Weighted average expected period nonvested share-based compensation	1 year 10 months 9 days
Performance Based Share Units \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Annual vesting percentage	200.00%
Performance Based Share Units \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Annual vesting percentage	50.00%
2020 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, additional shares authorized (in shares)				300,000			600,000		500,000
2020 Equity Incentive Plan \| Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation for restricted stock value grant in period \| $	$ 120,000	$ 120,000	$ 120,000
Share-based compensation cost \| $	$ 900,000	$ 900,000	$ 1,000,000
2020 Equity Incentive Plan \| New Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, shares issued (in shares)	0	0	1,020
2020 Equity Incentive Plan \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, shares authorized (in shares)											1,800,000
2020 Equity Incentive Plan \| Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting term	4 years
2020 Equity Incentive Plan \| Employee Stock Option \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option's term	10 years
2020 Equity Incentive Plan \| Employee Stock Option \| Vesting percentage - Year 1
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Annual vesting percentage	25.00%
2020 Equity Incentive Plan \| Employee Stock Option \| Vesting percentage - Year 2
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Annual vesting percentage	25.00%
2020 Equity Incentive Plan \| Employee Stock Option \| Vesting percentage - Year 3
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Annual vesting percentage	25.00%
2020 Equity Incentive Plan \| Employee Stock Option \| Vesting percentage - Year 4
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Annual vesting percentage	25.00%
2020 Equity Incentive Plan \| Nonvested Restricted Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Depletion ratio					1.51	1.35		1.52			1.72
Share-based compensation, shares issued (in shares)	142,258	300,157	256,866
Share-based compensation, restricted stock units issued (in shares)	920	1,065	878
2020 Equity Incentive Plan \| Nonvested Restricted Shares \| 2026
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting term	3 years
2020 Equity Incentive Plan \| Nonvested Restricted Shares \| 2025
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting term		3 years
2020 Equity Incentive Plan \| Nonvested Restricted Shares \| 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting term			3 years
2020 Equity Incentive Plan \| Nonvested Restricted Shares \| Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, shares issued (in shares)	43,144	36,320
2020 Equity Incentive Plan \| Nonvested Restricted Shares \| Vesting percentage - Year 1
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Annual vesting percentage	33.00%	33.00%	33.00%
2020 Equity Incentive Plan \| Nonvested Restricted Shares \| Vesting percentage - Year 2
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Annual vesting percentage	33.00%	33.00%	33.00%
2020 Equity Incentive Plan \| Nonvested Restricted Shares \| Vesting percentage - Year 3
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Annual vesting percentage	33.00%	33.00%	33.00%
2020 Equity Incentive Plan \| Performance Based Share Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Depletion ratio	1.51	1.35	1.52
Cash award, compensation expense recognized \| $	$ 2,600,000	$ 1,300,000	$ 300,000
2009 Equity Incentive Plan \| Nonvested Restricted Shares \| Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, shares issued (in shares)			37,264
2020 Restricted Cash Incentive Program
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash award, compensation expense recognized \| $	$ 2,800,000	1,600,000	$ 500,000
2020 Restricted Cash Incentive Program \| June 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash award, granted amount \| $										$ 2,700,000
Cash award, vesting term	4 years
2020 Restricted Cash Incentive Program \| Vesting percentage - Year 1 \| June 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash award, annual vesting percentage	25.00%
2020 Restricted Cash Incentive Program \| Vesting percentage - Year 2 \| June 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash award, annual vesting percentage	25.00%
2020 Restricted Cash Incentive Program \| Vesting percentage - Year 3 \| June 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash award, annual vesting percentage	25.00%
2020 Restricted Cash Incentive Program \| Vesting percentage - Year 4 \| June 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash award, annual vesting percentage	25.00%
2024 Restricted Cash Incentive Program \| 2026
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash award, granted amount \| $	$ 5,600,000
2024 Restricted Cash Incentive Program \| 2025
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash award, granted amount \| $		$ 5,000,000
2024 Restricted Cash Incentive Program \| 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash award, vesting term	3 years
2024 Restricted Cash Incentive Program \| Vesting percentage - Year 1 \| 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash award, annual vesting percentage	33.00%
2024 Restricted Cash Incentive Program \| Vesting percentage - Year 2 \| 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash award, annual vesting percentage	33.00%
2024 Restricted Cash Incentive Program \| Vesting percentage - Year 3 \| 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash award, annual vesting percentage	33.00%
Addition to the 2009 Equity Incentive Plan \| Nonvested Restricted Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting term	3 years	3 years	3 years

GENESCO INC 10-K