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Common and Preferred Stock (Tables)
12 Months Ended
Dec. 31, 2011
Class Of Stock Disclosures Abstract  
Schedule of issued shares
(Shares in thousands)20112010
Common: Par value $0.25  
600,000 shares authorized  
Outstanding - January 1 271,880 274,257
Issuance of Common Stock 15,200 -
Issued for stock option and other benefit plans 3,735 3,805
Repurchase of common stock (5,282) (6,182)
Outstanding - December 31 285,533 271,880
Treasury stock 80,612 79,066
Issued - December 31 366,145 350,946