Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Aug. 26, 2018	May 27, 2018
Receivables
Allowance for doubtful accounts	$ 0.6	$ 0.6
Common stock
Common stock, par value	$ 1.00	$ 1.00
Common stock, authorized shares	600,000,000	600,000,000
Common stock, issued issued	146,565,333	146,395,866
Treasury stock
Treasury stock, common shares	117,577	63,534

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A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.

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