CAPITAL STOCK

12 Months Ended

May. 31, 2015

Equity [Abstract]

CAPITAL STOCK

CAPITAL STOCK

We have authorized shares of preferred stock as follows:

Class B—$50 par value; 150,000 shares

Class C—$100 par value; 250,000 shares

Class D—without par value; 1,100,000 shares

Class E—without par value; 16,550,000 shares

There were no preferred shares issued or outstanding as of May 31, 2015.

We have repurchased our shares of common stock from time to time after considering market conditions and in accordance with repurchase limits authorized by our Board of Directors. In December 2011, our Board of Directors approved a $750.0 million increase to the share repurchase program. We repurchased 1.4 million shares of our common stock for approximately $50.0 million, 2.9 million shares of our common stock for approximately $100.0 million, and 9.1 million shares of our common stock for approximately $245.0 million in fiscal 2015, 2014, and 2013, respectively, under this program.