BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended			4 Months Ended	9 Months Ended
	Oct. 15, 2025	Nov. 29, 2025	Sep. 06, 2025	Nov. 30, 2024	Jun. 14, 2025	Nov. 29, 2025	Nov. 30, 2024	Oct. 14, 2025	Oct. 13, 2025	Feb. 22, 2025
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Restricted cash		$ 5.8				$ 5.8				$ 4.3
LIFO expense		13.2		$ 3.5		41.5	$ 22.9
Repurchase of common stock						1,199.7	0.0
Repurchase of common stock		811.5	$ 235.3		$ 314.8
Income tax expense		$ 84.4		$ 14.5		$ 210.6	$ 124.7
Effective tax rate		22.30%		3.50%		23.20%	13.70%
Discrete state income tax		$ 81.0				$ 81.0
Receivables, net		1,018.9				1,018.9				834.8
Contract liability related to gift cards		131.9				131.9				119.9
Pharmacy
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Receivables, net		$ 600.7				$ 600.7				$ 464.1
ASR Agreement
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Accelerated share repurchase agreement amount	$ 600.0							$ 750.0
Amount funded under ABL Facility								750.0
Share repurchase program amount								$ 2,750.0	$ 2,000.0
Repurchase of common stock	$ 750.0
Repurchase of common stock (in shares)	35,400,000					64,100,000
Accelerated share repurchase program, percentage of shares expected to repurchase	80.00%
Repurchase of common stock						$ 1,211.6
Class A-1 convertible common stock
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Common stock, shares authorized (in shares)		150,000,000				150,000,000				150,000,000
Common stock, par value (in dollars per share)		$ 0.01				$ 0.01				$ 0.01
Common stock shares issued (in shares)		0				0				0
Convertible Preferred Stock
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Preferred stock, shares authorized (in shares)		100,000,000				100,000,000				100,000,000
Preferred stock, par value (in dollars per share)		$ 0.01				$ 0.01				$ 0.01
Series A Convertible Preferred Stock
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Preferred stock, shares authorized (in shares)		1,750,000				1,750,000				1,750,000
Series A-1 Convertible Preferred Stock
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Preferred stock, shares authorized (in shares)		1,410,000				1,410,000				1,410,000
Undesignated preferred stock
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Preferred stock, shares issued (in shares)		0				0				0