| Schedule of intangible assets by category |
Intangible assets outstanding as of March 31, 2015 and December 31, 2014 are summarized as follows: | | | | | | | | | | | | | | March 31, 2015 | | Gross Carrying Value | | Accumulated Amortization | | Intangible Assets, Net | Amortizable intangible assets: | | |
| | |
| | |
| Acquired developed product rights | | $ | 3,405.9 |
| | $ | (1,285.1 | ) | | $ | 2,120.8 |
| Technology | | 333.7 |
| | (147.0 | ) | | 186.7 |
| Licenses | | 66.9 |
| | (19.2 | ) | | 47.7 |
| Other | | 42.5 |
| | (24.0 | ) | | 18.5 |
| | | 3,849.0 |
| | (1,475.3 | ) |
| 2,373.7 |
| Non-amortized intangible assets: | |
|
| | |
| | |
| Acquired IPR&D product rights | | 1,628.7 |
| | — |
| | 1,628.7 |
| Total intangible assets | | $ | 5,477.7 |
| | $ | (1,475.3 | ) |
| $ | 4,002.4 |
| | | | | | | | December 31, 2014 | | Gross Carrying Value | | Accumulated Amortization | | Intangible Assets, Net | Amortizable intangible assets: | | |
| | |
| | |
| Acquired developed product rights | | $ | 3,405.9 |
| | $ | (1,234.1 | ) | | $ | 2,171.8 |
| Technology | | 333.7 |
| | (135.1 | ) | | 198.6 |
| Licenses | | 67.0 |
| | (18.1 | ) | | 48.9 |
| Other | | 42.5 |
| | (22.9 | ) | | 19.6 |
| | | 3,849.1 |
| | (1,410.2 | ) | | 2,438.9 |
| Non-amortized intangible assets: | | |
| | |
| | |
| Acquired IPR&D product rights | | 1,628.7 |
| | — |
| | 1,628.7 |
| Total intangible assets | | $ | 5,477.8 |
| | $ | (1,410.2 | ) | | $ | 4,067.6 |
|
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