v2.4.0.6

Other Assets (Tables) | 12 Months Ended
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Dec. 31, 2011
Other Assets [Abstract] |
Schedule Of Other Assets |
|  | 2011 |  |  | 2010 |  |  | Weighted Average Life |
|  | Cost |  |  | Accumulated Amortization |  |  | Net |  |  | Cost |  |  | Accumulated Amortization |  |  | Net |  |
Intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Technology licenses |  | $ | 44,827 |  |  | $ | (40,860 | ) |  | $ | 3,967 |  |  | $ | 44,762 |  |  | $ | (39,763 | ) |  | $ | 4,999 |  |  |  | 12 |
Patents |  |  | 6,503 |  |  |  | (3,306 | ) |  |  | 3,197 |  |  |  | 6,503 |  |  |  | (2,655 | ) |  |  | 3,848 |  |  |  | 10 |
Customer relationships |  |  | 17,649 |  |  |  | (6,901 | ) |  |  | 10,748 |  |  |  | 17,649 |  |  |  | (5,544 | ) |  |  | 12,105 |  |  |  | 13 |
Goodwill |  |  | 29,990 |  |  |  | — |  |  |  | 29,990 |  |  |  | 29,990 |  |  |  | — |  |  |  | 29,990 |  |  |  |  |
Other |  |  | 1,161 |  |  |  | — |  |  |  | 1,161 |  |  |  | 1,161 |  |  |  | — |  |  |  | 1,161 |  |  |  |  |
Total intangible assets |  |  | 100,130 |  |  |  | (51,067 | ) |  |  | 49,063 |  |  |  | 100,065 |  |  |  | (47,962 | ) |  |  | 52,103 |  |  |  |  |
Available-for-sale investments |  |  | 30,113 |  |  |  | — |  |  |  | 30,113 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  |  |
Notes receivable from affiliate |  |  | 2,383 |  |  |  | — |  |  |  | 2,383 |  |  |  | 3,575 |  |  |  | — |  |  |  | 3,575 |  |  |  |  |
Turnaround costs |  |  | 86,728 |  |  |  | (57,175 | ) |  |  | 29,553 |  |  |  | 85,307 |  |  |  | (49,864 | ) |  |  | 35,443 |  |  |  | 5 |
Debt issuance costs |  |  | 20,628 |  |  |  | (8,989 | ) |  |  | 11,639 |  |  |  | 17,930 |  |  |  | (7,307 | ) |  |  | 10,623 |  |  |  | 10 |
Other, net |  |  | 22,502 |  |  |  | (9,678 | ) |  |  | 12,824 |  |  |  | 19,444 |  |  |  | (9,940 | ) |  |  | 9,504 |  |  |  | 5 |
Other assets, net |  | $ | 262,484 |  |  | $ | (126,909 | ) |  | $ | 135,575 |  |  | $ | 226,321 |  |  | $ | (115,073 | ) |  | $ | 111,248 |  |  |  |  |
Available-For-Sale Investments |
|  | December 31, 2011 |
|  | Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses (1) |  |  | Fair Value |
Available-for-sale equity securities |  | $ | 28,265 |  |  | $ | 1,981 |  |  | $ | (133 | ) |  | $ | 30,113 |
(1) | All unrealized loss positions were held at a loss for less than 12 months.

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