EMPLOYEE BENEFIT PLANS AND COLLECTIVE BARGAINING AGREEMENTS - Schedule of Multiemployer Plan (Details) $ in Millions	12 Months Ended
	Feb. 28, 2026 USD ($) agreement	Feb. 22, 2025 USD ($)	Feb. 24, 2024 USD ($)
UFCW-Northern California Employers Joint Pension Trust Fund
Multiemployer Plans [Line Items]
Contributions by company \| $	$ 36.4
Pension
Multiemployer Plans [Line Items]
Contributions by company \| $	583.3	$ 547.7	$ 545.5
Pension \| UFCW-Northern California Employers Joint Pension Trust Fund
Multiemployer Plans [Line Items]
Contributions by company \| $	$ 127.0	130.8	132.1
Total collective bargaining agreements	84
Most significant collective bargaining agreement	80
Pension \| Western Conference of Teamsters Pension Plan
Multiemployer Plans [Line Items]
Contributions by company \| $	$ 82.3	78.2	75.9
Total collective bargaining agreements	56
Most significant collective bargaining agreement	9
Pension \| Southern California United Food & Commercial Workers Unions and Food Employers Joint Pension Plan
Multiemployer Plans [Line Items]
Contributions by company \| $	$ 132.7	136.6	138.5
Total collective bargaining agreements	40
Most significant collective bargaining agreement	39
Pension \| Sound Retirement Trust
Multiemployer Plans [Line Items]
Contributions by company \| $	$ 74.7	73.7	70.1
Total collective bargaining agreements	149
Most significant collective bargaining agreement	40
Pension \| Bakery and Confectionery Union and Industry International Pension Fund
Multiemployer Plans [Line Items]
Contributions by company \| $	$ 18.2	18.6	18.7
Total collective bargaining agreements	122
Most significant collective bargaining agreement	33
Pension \| UFCW Union and Participating Food Industry Employers Tri-State Pension Fund
Multiemployer Plans [Line Items]
Contributions by company \| $	$ 10.5	10.7	10.7
Total collective bargaining agreements	6
Most significant collective bargaining agreement	2
Pension \| Rocky Mountain UFCW Unions & Employers Pension Plan
Multiemployer Plans [Line Items]
Contributions by company \| $	$ 16.3	16.5	16.9
Total collective bargaining agreements	84
Most significant collective bargaining agreement	26
Pension \| UFCW Local 152 Retail Meat Pension Fund
Multiemployer Plans [Line Items]
Contributions by company \| $	$ 10.9	11.1	11.2
Total collective bargaining agreements	4
Most significant collective bargaining agreement	4
Pension \| Desert States Employers & UFCW Unions Pension Plan
Multiemployer Plans [Line Items]
Contributions by company \| $	$ 11.8	11.2	11.0
Total collective bargaining agreements	20
Most significant collective bargaining agreement	18
Pension \| UFCW Int'l Union- Albertsons Variable Annuity Pension Fund
Multiemployer Plans [Line Items]
Contributions by company \| $	$ 9.5	9.6	9.6
Total collective bargaining agreements	24
Most significant collective bargaining agreement	7
Pension \| Retail Food Employers and UFCW Local 711 Pension Trust Fund
Multiemployer Plans [Line Items]
Contributions by company \| $	$ 8.7	8.5	8.6
Total collective bargaining agreements	7
Most significant collective bargaining agreement	4
Pension \| Oregon Retail Employees Pension Trust
Multiemployer Plans [Line Items]
Contributions by company \| $	$ 14.9	13.0	12.8
Total collective bargaining agreements	125
Most significant collective bargaining agreement	36
Pension \| Intermountain Retail Store Employees Pension Trust
Multiemployer Plans [Line Items]
Contributions by company \| $	$ 8.2	7.8	7.9
Total collective bargaining agreements	54
Most significant collective bargaining agreement	24
Pension \| UFCW Local 1245 Labor Management Pension Plan
Multiemployer Plans [Line Items]
Contributions by company \| $	$ 6.0	6.1	6.0
Total collective bargaining agreements	4
Most significant collective bargaining agreement	3
Pension \| Other funds (8)
Multiemployer Plans [Line Items]
Contributions by company \| $	$ 51.6	$ 15.3	$ 15.5