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Treasury Stock
6 Months Ended
Nov. 30, 2013
Disclosure Text Block Supplement [Abstract]  
Treasury Stock [Text Block]

12. Treasury Stock


The Board of Directors 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  
         
Less repurchases made under this authorization     (30.6 )
         
Remaining Board authorization at November 30, 2013   $ 13.4  

The Company’s repurchase program may be suspended at any time without prior notice. There were $5.6 and $6.2 repurchases of Common Stock made during the three and six month periods ended November 30, 2013, respectively.