Capital Structure Capital Structure (Details) - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Feb. 25, 2022	Feb. 26, 2021
Class of Stock [Line Items]
Conversion of Stock, Shares Converted	1.3	1.4
Class A Common Stock [Member]
Class of Stock [Line Items]
Common stock repurchases, shares	4.1	3.3
Common stock repurchases	$ 55.2	$ 42.7
Class B Common Stock [Member]
Class of Stock [Line Items]
Common stock repurchases, shares	0.0	0.0
Common stock repurchases	$ 0.0	$ 0.0