Quarterly report pursuant to Section 13 or 15(d)

Consolidated Balance Sheets (Parenthetical)

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Consolidated Balance Sheets (Parenthetical) - $ / shares
Nov. 30, 2019
May 31, 2019
Stockholders' equity    
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 600,000,000.0 600,000,000.0
Common stock, shares issued 358,400,000 359,300,000
Common stock, shares outstanding 358,400,000 359,300,000