| Schedule of Intangible Assets |
Intangible assets consisted of the following at February 28, 2014 and May 31, 2013: | | | | | | | | | | | | | (in millions) | February 28, 2014 | | Gross | | | | Net | | Carrying | | Accumulated | | Carrying | | Amount | | Amortization | | Amount | Core technology | $ | 1,733.3 |
| | $ | (548.0 | ) | | $ | 1,185.3 |
| Completed technology | 610.1 |
| | (252.0 | ) | | 358.1 |
| Product trade names | 214.4 |
| | (75.2 | ) | | 139.2 |
| Customer relationships | 2,386.1 |
| | (918.1 | ) | | 1,468.0 |
| Non-compete contracts | 4.6 |
| | (4.6 | ) | | — |
| Sub-total | 4,948.5 |
| | (1,797.9 | ) | | 3,150.6 |
| Corporate trade names | 308.2 |
| | — |
| | 308.2 |
| Total | $ | 5,256.7 |
| | $ | (1,797.9 | ) | | $ | 3,458.8 |
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| | | | | | | | | | | | | | | | | | | | | | | | | (in millions) | May 31, 2013 | | Gross | | | | New | | | | | | Net | | Carrying | | Impairment | | Carrying | | Accumulated | | Impairment | | Carrying | | Amount | | Charge | | Amount | | Amortization | | Charge | | Amount | Core technology | $ | 1,772.6 |
| | $ | (39.0 | ) | | $ | 1,733.6 |
| | $ | (481.1 | ) | | $ | 4.1 |
| | $ | 1,256.6 |
| Completed technology | 628.8 |
| | (48.5 | ) | | 580.3 |
| | (254.9 | ) | | 36.7 |
| | 362.1 |
| Product trade names | 204.2 |
| | — |
| | 204.2 |
| | (65.9 | ) | | — |
| | 138.3 |
| Customer relationships | 2,429.5 |
| | (46.1 | ) | | 2,383.4 |
| | (828.4 | ) | | 9.9 |
| | 1,564.9 |
| Non-compete contracts | 4.6 |
| | — |
| | 4.6 |
| | (3.8 | ) | | — |
| | 0.8 |
| Sub-total | 5,039.7 |
| | (133.6 | ) | | 4,906.1 |
| | (1,634.1 | ) | | 50.7 |
| | 3,322.7 |
| Corporate trade names | 319.0 |
| | (11.5 | ) | | 307.5 |
| | — |
| | — |
| | 307.5 |
| Total | $ | 5,358.7 |
| | $ | (145.1 | ) | | $ | 5,213.6 |
| | $ | (1,634.1 | ) | | $ | 50.7 |
| | $ | 3,630.2 |
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