| (Shares in thousands) | 2013 | 2012 |
| Common: Par value $0.25 | ||
| 600,000 shares authorized | ||
| Outstanding - January 1 | 285,829 | 285,533 |
| Issued for stock option and other benefit plans | 3,319 | 4,695 |
| Repurchase of common stock | (13,622) | (4,399) |
| Outstanding - December 31 | 275,526 | 285,829 |
| Treasury stock | 90,619 | 80,316 |
| Issued - December 31 | 366,145 | 366,145 |