Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	May 31, 2020	May 26, 2019
Receivables
Allowance for doubtful accounts	$ 1.3	$ 1.3
Common stock
Common stock, par value	$ 1.00	$ 1.00
Common stock, authorized shares	600,000,000	600,000,000
Common stock, issued shares	146,993,751	146,654,827
Treasury stock
Treasury stock, common shares	954,858	585,794