Condensed Consolidated Statements of Stockholders' Equity - USD ($) $ in Millions	Total	Class A Common Stock	Common Stock Class A Common Stock	Additional paid-in capital	Treasury Stock	Accumulated other comprehensive income	Retained earnings (accumulated deficit)
Beginning balance (in shares) at Feb. 26, 2022			587,904,283
Beginning AOCI balance at Feb. 26, 2022	$ 3,024.6		$ 5.9	$ 2,032.2	$ (1,647.4)	$ 69.0	$ 2,564.9
Treasury stock, beginning balance (in shares) at Feb. 26, 2022					99,640,065
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity-based compensation	35.3			35.3
Shares issued and employee tax withholding on vesting of restricted stock units (in shares)			2,479,845
Shares issued and employee tax withholding on vesting of restricted stock units	(37.3)			(37.3)
Convertible preferred stock conversions (in shares)					(40,863,977)
Convertible preferred stock conversions	643.1			(32.5)	$ 675.6
Cash dividends declared on common stock	(63.0)						(63.0)
Dividends accrued on convertible preferred stock	(13.7)						(13.7)
Net income	484.2						484.2
Other comprehensive income (loss), net of tax	(2.8)					(2.8)
Other activity	0.2			0.5			(0.3)
Ending balance (in shares) at Jun. 18, 2022			590,384,128
Ending AOCI balance at Jun. 18, 2022	4,070.6		$ 5.9	1,998.2	$ (971.8)	66.2	2,972.1
Treasury stock, ending balance (in shares) at Jun. 18, 2022					58,776,088
Beginning balance (in shares) at Feb. 25, 2023			590,968,600
Beginning AOCI balance at Feb. 25, 2023	$ 1,610.7		$ 5.9	2,072.7	$ (352.2)	69.3	(185.0)
Treasury stock, beginning balance (in shares) at Feb. 25, 2023	21,300,945				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)	(101,611,902)			(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 AOCI balance at Jun. 17, 2023	$ 2,000.0		$ 5.9	$ 2,068.3	$ (304.2)	$ 70.4	$ 159.6
Treasury stock, ending balance (in shares) at Jun. 17, 2023	18,397,745				18,397,745