Quarterly report pursuant to Section 13 or 15(d)

Consolidated Balance Sheets (Parenthetical) (Unaudited)

 v2.3.0.11
Consolidated Balance Sheets (Parenthetical) (Unaudited) (USD $)
May 31, 2011
Feb. 28, 2011
Class A Common Stock [Member]
   
STOCKHOLDERS' EQUITY:    
Common Stock, par value $ 0.01 $ 0.01
Common Stock, shares authorized 322,000,000 322,000,000
Common Stock, shares issued 232,676,024 230,290,798
Treasury Stock, shares at cost 42,012,761 42,739,831
Class B Convertible Common Stock [Member]
   
STOCKHOLDERS' EQUITY:    
Common Stock, par value $ 0.01 $ 0.01
Common Stock, shares authorized 30,000,000 30,000,000
Common Stock, shares issued 28,605,058 28,617,758
Treasury Stock, shares at cost 5,005,800 5,005,800