v2.4.0.6

Capital Stock (Details) (USD $) | 1 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Nov. 30, 2011 | Dec. 31, 2011 | Nov. 15, 2011 | Dec. 31, 2010 | Mar. 31, 2010
Accumulated Other Comprehensive Income |  |  |  |  |
Foreign currency translation |  | 21,066,000 |  | 23,010,000 |
Unrealized gain on marketable debt securities |  | 2,103,000 |  | 4,794,000 |
Other |  | (1,107,000) |  | (936,000) |
Total accumulated other comprehensive income |  | 22,062,000 |  | 26,868,000 |
3 7/8 % Convertible Senior Notes due 2011 upon maturity |  |  |  |  |
Capital Stock |  |  |  |  |
Interest rate (as a percent) | 3.875% | 3.875% | 3.875% | 3.875% | 3.875%
Aggregate shares of common stock issued for the conversion value in excess of the principal amount | 943,714 |  |  |  |
Principal amount repaid | $ 230,000,000 |  |  |  |

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