Condensed Consolidated Statements of Stockholders' Equity - USD ($) $ in Millions	Total	Common Stock Class A Common Stock	Additional paid-in capital	Treasury Stock	Accumulated other comprehensive income	Retained earnings
Beginning balance (in shares) at Feb. 25, 2023		590,968,600
Beginning balance at Feb. 25, 2023	$ 1,610.7	$ 5.9	$ 2,072.7	$ (352.2)	$ 69.3	$ (185.0)
Beginning balance (in shares) at Feb. 25, 2023				21,300,945
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity-based compensation	27.7		27.7
Shares issued and employee tax withholding on vesting of restricted stock units (in shares)		3,059,905
Shares issued and employee tax withholding on vesting of restricted stock units	(33.1)		(33.1)
Convertible preferred stock conversions (in shares)				(2,903,200)
Convertible preferred stock conversions	45.7			$ 48.0		(2.3)
Cash dividends declared on common stock	(69.0)					(69.0)
Dividends accrued on convertible preferred stock	(0.3)					(0.3)
Net income	417.2					417.2
Other comprehensive income (loss), net of tax	1.1				1.1
Other activity	0.0		1.0			(1.0)
Ending balance (in shares) at Jun. 17, 2023		594,028,505
Ending balance at Jun. 17, 2023	2,000.0	$ 5.9	2,068.3	$ (304.2)	70.4	159.6
Ending balance (in shares) at Jun. 17, 2023				18,397,745
Beginning balance (in shares) at Feb. 25, 2023		590,968,600
Beginning balance at Feb. 25, 2023	1,610.7	$ 5.9	2,072.7	$ (352.2)	69.3	(185.0)
Beginning balance (in shares) at Feb. 25, 2023				21,300,945
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	684.1
Ending balance (in shares) at Sep. 09, 2023		594,227,946
Ending balance at Sep. 09, 2023	2,216.6	$ 5.9	2,089.6	$ (304.2)	68.9	356.4
Ending balance (in shares) at Sep. 09, 2023				18,397,745
Beginning balance (in shares) at Jun. 17, 2023		594,028,505
Beginning balance at Jun. 17, 2023	2,000.0	$ 5.9	2,068.3	$ (304.2)	70.4	159.6
Beginning balance (in shares) at Jun. 17, 2023				18,397,745
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity-based compensation	22.2		22.2
Shares issued and employee tax withholding on vesting of restricted stock units (in shares)		199,441
Shares issued and employee tax withholding on vesting of restricted stock units	(2.0)		(2.0)
Cash dividends declared on common stock	(69.0)					(69.0)
Net income	266.9					266.9
Other comprehensive income (loss), net of tax	(1.5)				(1.5)
Other activity	0.0		1.1			(1.1)
Ending balance (in shares) at Sep. 09, 2023		594,227,946
Ending balance at Sep. 09, 2023	2,216.6	$ 5.9	2,089.6	$ (304.2)	68.9	356.4
Ending balance (in shares) at Sep. 09, 2023				18,397,745
Beginning balance (in shares) at Feb. 24, 2024		594,445,268
Beginning balance at Feb. 24, 2024	$ 2,747.5	$ 5.9	2,129.6	$ (304.2)	88.0	828.2
Beginning balance (in shares) at Feb. 24, 2024	18,397,745			18,397,745
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity-based compensation	$ 34.4		34.4
Shares issued and employee tax withholding on vesting of restricted stock units (in shares)		3,048,974
Shares issued and employee tax withholding on vesting of restricted stock units	(38.5)	$ 0.1	(38.6)
Cash dividends declared on common stock	(69.5)					(69.5)
Net income	240.7					240.7
Other comprehensive income (loss), net of tax	(1.3)				(1.3)
Other activity (in shares)				6,456
Other activity	(0.2)		0.8			(1.0)
Ending balance (in shares) at Jun. 15, 2024		597,494,242
Ending balance at Jun. 15, 2024	2,913.1	$ 6.0	2,126.2	$ (304.2)	86.7	998.4
Ending balance (in shares) at Jun. 15, 2024				18,404,201
Beginning balance (in shares) at Feb. 24, 2024		594,445,268
Beginning balance at Feb. 24, 2024	$ 2,747.5	$ 5.9	2,129.6	$ (304.2)	88.0	828.2
Beginning balance (in shares) at Feb. 24, 2024	18,397,745			18,397,745
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 386.2
Ending balance (in shares) at Sep. 07, 2024		597,711,686
Ending balance at Sep. 07, 2024	$ 3,020.3	$ 6.0	2,152.3	$ (304.2)	92.6	1,073.6
Ending balance (in shares) at Sep. 07, 2024	18,404,201			18,404,201
Beginning balance (in shares) at Jun. 15, 2024		597,494,242
Beginning balance at Jun. 15, 2024	$ 2,913.1	$ 6.0	2,126.2	$ (304.2)	86.7	998.4
Beginning balance (in shares) at Jun. 15, 2024				18,404,201
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity-based compensation	27.9		27.9
Shares issued and employee tax withholding on vesting of restricted stock units (in shares)		217,444
Shares issued and employee tax withholding on vesting of restricted stock units	(2.9)		(2.9)
Cash dividends declared on common stock	(69.5)					(69.5)
Net income	145.5					145.5
Other comprehensive income (loss), net of tax	5.9				5.9
Other activity	0.3		1.1			(0.8)
Ending balance (in shares) at Sep. 07, 2024		597,711,686
Ending balance at Sep. 07, 2024	$ 3,020.3	$ 6.0	$ 2,152.3	$ (304.2)	$ 92.6	$ 1,073.6
Ending balance (in shares) at Sep. 07, 2024	18,404,201			18,404,201