2013 | 2012 | ||||||||||||||||||||||
Gross Carrying Value | Accumulated Amortization | Net Carrying Value | Gross Carrying Value | Accumulated Amortization | Net Carrying Value | ||||||||||||||||||
Goodwill | $ | 9,502.6 | $ | 586.6 | $ | 8,916.0 | $ | 9,424.3 | $ | 580.1 | $ | 8,844.2 | |||||||||||
Intangible assets: | |||||||||||||||||||||||
Purchased and internally developed software | $ | 283.2 | $ | 217.4 | $ | 65.8 | $ | 289.6 | $ | 222.1 | $ | 67.5 | |||||||||||
Customer related and other | 655.1 | 334.9 | 320.2 | 664.5 | 275.9 | 388.6 | |||||||||||||||||
$ | 938.3 | $ | 552.3 | $ | 386.0 | $ | 954.1 | $ | 498.0 | $ | 456.1 |
2013 | 2012 | ||||||
Balance January 1 | $ | 8,844.2 | $ | 8,456.3 | |||
Acquisitions | 69.9 | 301.1 | |||||
Dispositions | (8.5 | ) | (2.7 | ) | |||
Foreign currency translation | 10.4 | 89.5 | |||||
Balance December 31 | $ | 8,916.0 | $ | 8,844.2 |