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Treasury Stock (Tables) | 12 Months Ended
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May 31, 2018
Stockholders' Equity Attributable to Parent [Abstract] |
Tabular disclosure of entity's treasury stock | The Company has authorizations from the Board of Directors to repurchase Common Stock, from time to time as conditions allow, on the open market or through negotiated private transactions, as summarized in the table below:
Authorizations | Amount |
July 2015 | $ | 50.0 |  |
March 2018 | 50.0 |  |
Total current Board authorizations | $ | 100.0 |  |
Less repurchases made under the authorizations as of May 31, 2018 | $ | (38.6 | ) |
Remaining Board authorization at May 31, 2018 | $ | 61.4 |  |

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- Definition Tabular disclosure of an entity's treasury stock including amount authorized by an entity's board of directors, the number of shares repurchased and the remaining maximum dollar value of shares available for repurchase under the program + References No definition available. + Details
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- References No definition available. + Details
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