Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Feb. 25, 2022	Feb. 26, 2021
Accounts receivable, allowances
Property, plant and equipment, accumulated depreciation	(1,089.0)	(1,063.2)
Other intangible assets, accumulated amortization	$ 86.4	$ 73.3
Preferred stock, par value	$ 0	$ 0
Preferred stock, shares authorized	50,000,000	50,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, shares outstanding	112,109,294	114,908,676
Class A Common Stock [Member]
Common stock, par value	$ 0	$ 0
Common stock, shares authorized	475,000,000	475,000,000
Common stock, shares issued	89,589,111	87,594,913
Common stock, shares outstanding	89,589,111	87,594,913
Class B Common Stock [Member]
Common stock, par value		$ 0
Common stock, shares authorized	475,000,000	475,000,000
Common stock, shares issued	27,612,889	29,171,697
Common stock, shares outstanding	27,612,889	29,171,697