Common and Preferred Stock (Tables)

12 Months Ended

Dec. 31, 2015

Common And Preferred Stock [Abstract]

Schedule of issued shares

(Shares in thousands)	2015	2014	2013
Common: Par value $0.25; 600,000 shares authorized
Outstanding - January 1,	259,276	275,526	285,829
Issued for stock option and other benefit plans	2,751	2,284	3,319
Repurchased common stock	(5,483)	(18,534)	(13,622)
Outstanding - December 31,	256,544	259,276	275,526
Treasury stock	39,601	36,869	90,619
Issued - December 31,	296,145	296,145	366,145