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Treasury Stock | 6 Months Ended
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Nov. 30, 2014
Disclosure Text Block Supplement [Abstract] |
Treasury Stock | Treasury Stock The Board of Directors (the "Board") has authorized the Company to repurchase Common Stock, from time to time as conditions allow, on the open market or through negotiated private transactions. The table below represents the remaining Board authorization:
Board Authorization | Amount |
September 2010 | $ | 44.0 |  | (a)
Less repurchases made under this authorization | (34.1 | ) |
Remaining Board authorization at November 30, 2014 | $ | 9.9 |  |
(a) Represents the remainder of a $200.0 authorization after giving effect to the purchase of 5,199,699 shares at $30.00 per share pursuant to a large share repurchase in the form of a modified Dutch auction tender offer that was completed by the Company on November 3, 2010 for a total cost of $156.0 , excluding related fees and expenses. There were $3.5 of repurchases of Common Stock made during the three and six months periods ended November 30, 2014. The Company’s repurchase program may be suspended at any time without prior notice.

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- Definition The entire disclosure for treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock. + References No definition available. + Details
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