Income Taxes	3 Months Ended
Mar. 31, 2012
Income Taxes [Abstract]
Income Taxes	Note 5 — Income Taxes Income taxes during interim periods are based on the estimated annual effective income tax rate plus any significant, unusual or infrequently occurring items that are recorded in the period the specific item occurs. We compute income taxes using an asset and liability approach, which results in the recognition of deferred tax liabilities and assets for the expected future tax consequences of temporary differences between the financial basis and the tax basis of those assets and liabilities. As of March 31, 2012 and December 31, 2011, for U.S., Netherlands, and Israel tax provision purposes, we have provided valuation allowances for the entirety of our net deferred tax assets based on our cumulative net losses coupled with the uncertainties surrounding our future earnings forecasts. We recognized deferred tax assets only to the extent we expect to be able to offset deferred tax liabilities. The U.K. supplementary charge of corporation tax was increased from 20% to 32%, effective March 24, 2011, and Royal Assent was received on July 19, 2011. Accordingly, the U.K. rate increase has been reflected in the income tax provision for the three months ended March 31, 2012 (but not as of March 31, 2011), and all U.K. deferred tax assets and liabilities subject to the supplementary charge of corporation tax have been updated to reflect the 32% rate as of March 31, 2012 and December 31, 2011. We recognized income tax expense related to our U.K. operations of $10.6 million and $9.1 million, respectively, for the three months ended March 31, 2012 and 2011. The worldwide effective income tax rates for the three months ended March 31, 2012 and 2011 were (9.2%) and (8.8%), respectively.

Income Taxes

3 Months Ended

Mar. 31, 2012

Note 5 — Income Taxes

Income taxes during interim periods are based on the estimated annual effective income tax rate plus any significant, unusual or infrequently occurring items that are recorded in the period the specific item occurs. We compute income taxes using an asset and liability approach, which results in the recognition of deferred tax liabilities and assets for the expected future tax consequences of temporary differences between the financial basis and the tax basis of those assets and liabilities. As of March 31, 2012 and December 31, 2011, for U.S., Netherlands, and Israel tax provision purposes, we have provided valuation allowances for the entirety of our net deferred tax assets based on our cumulative net losses coupled with the uncertainties surrounding our future earnings forecasts. We recognized deferred tax assets only to the extent we expect to be able to offset deferred tax liabilities. The U.K. supplementary charge of corporation tax was increased from 20% to 32%, effective March 24, 2011, and Royal Assent was received on July 19, 2011. Accordingly, the U.K. rate increase has been reflected in the income tax provision for the three months ended March 31, 2012 (but not as of March 31, 2011), and all U.K. deferred tax assets and liabilities subject to the supplementary charge of corporation tax have been updated to reflect the 32% rate as of March 31, 2012 and December 31, 2011. We recognized income tax expense related to our U.K. operations of $10.6 million and $9.1 million, respectively, for the three months ended March 31, 2012 and 2011. The worldwide effective income tax rates for the three months ended March 31, 2012 and 2011 were (9.2%) and (8.8%), respectively.