| (Options in thousands) | 2013 | 2012 | 2011 | |||||||||
| Weighted | Weighted | Weighted | ||||||||||
| Average | Average | Average | ||||||||||
| Options | Exercise Price | Options | Exercise Price | Options | Exercise Price | |||||||
| Outstanding - January 1 | 8,951 | $ | 36.29 | 9,581 | $ | 33.92 | 12,093 | $ | 31.10 | |||
| Granted | 1,890 | $ | 58.84 | 3,446 | $ | 28.29 | 1,546 | $ | 42.36 | |||
| Exercised | (3,107) | $ | 34.99 | (3,740) | $ | 22.72 | (3,480) | $ | 27.93 | |||
| Expired or canceled | (384) | $ | 43.86 | (336) | $ | 37.85 | (578) | $ | 33.61 | |||
| Outstanding - December 31 | 7,350 | $ | 42.24 | 8,951 | $ | 36.29 | 9,581 | $ | 33.92 | |||
| Options exercisable at year-end | 4,217 | $ | 35.84 | 5,731 | $ | 34.93 | 6,147 | $ | 34.94 | |||