Income Taxes	6 Months Ended
Jun. 30, 2012
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The Company’s tax provision for interim periods is determined using an estimate of the Company’s annual effective tax rate. Each quarter the Company updates the estimate of the annual effective tax rate and, if the estimated tax rate changes, makes a cumulative adjustment. j2 Global’s annual effective tax rate is normally lower than the 35% U.S. federal statutory rate and applicable apportioned state tax rates primarily due to anticipated earnings of the Company’s subsidiaries outside of the U.S. in jurisdictions where the Company’s effective tax rate is lower than in the U.S. For the quarter ended June 30, 2012, the effective tax rate was 23.6%. j2 Global does not provide for U.S. income taxes on the undistributed earnings of the Company’s foreign operations because the Company intends to reinvest such earnings in foreign jurisdictions. Income before income taxes included income from domestic operations of $27.7 million and $22.5 million for the six months ended June 30, 2012 and 2011, respectively, and income from foreign operations of $50.0 million and $38.5 million for the six months ended June 30, 2012 and 2011, respectively. As of June 30, 2012 and December 31, 2011, the Company had $33.7 million and $30.1 million, respectively, in liabilities for uncertain income tax positions. Accrued interest and penalties related to unrecognized tax benefits are recognized in income tax expense on the Company’s consolidated statement of operations. Cash paid for income taxes net of refunds received was $5.7 million for the six months ended June 30, 2012. Certain tax payments are prepaid during the year and included within prepaid expenses and other current assets on the consolidated balance sheet. The Company’s prepaid tax payments were $2.3 million and $11.0 million at June 30, 2012 and December 31, 2011, respectively. j2 Global is currently under audit by the California Franchise Tax Board (“FTB”) for tax years 2005 through 2007. The FTB has also issued Information Document Requests regarding the 2008 tax year, although no formal notice of audit for 2008 has been provided. The Company is also under income tax audits by the IRS for tax years 2009 and 2010 and by the Canada Revenue Agency (“CRA”) for tax years 2008 through 2010. In addition, the Company is under audit by the CRA for value added sales taxes for tax years 2009 through 2011. It is possible that these audits may conclude in the next 12 months and that the unrecognized tax benefits the Company has recorded in relation to these tax years may change compared to the liabilities recorded for these periods. However, it is not currently possible to estimate the amount, if any, of such change. j2 Global is also under audit by various states for non-income related taxes.

Income Taxes

6 Months Ended

Jun. 30, 2012

The Company’s tax provision for interim periods is determined using an estimate of the Company’s annual effective tax rate. Each quarter the Company updates the estimate of the annual effective tax rate and, if the estimated tax rate changes, makes a cumulative adjustment. j2 Global’s annual effective tax rate is normally lower than the 35% U.S. federal statutory rate and applicable apportioned state tax rates primarily due to anticipated earnings of the Company’s subsidiaries outside of the U.S. in jurisdictions where the Company’s effective tax rate is lower than in the U.S. For the quarter ended June 30, 2012, the effective tax rate was 23.6%. j2 Global does not provide for U.S. income taxes on the undistributed earnings of the Company’s foreign operations because the Company intends to reinvest such earnings in foreign jurisdictions. Income before income taxes included income from domestic operations of $27.7 million and $22.5 million for the six months ended June 30, 2012 and 2011, respectively, and income from foreign operations of $50.0 million and $38.5 million for the six months ended June 30, 2012 and 2011, respectively.

As of June 30, 2012 and December 31, 2011, the Company had $33.7 million and $30.1 million, respectively, in liabilities for uncertain income tax positions. Accrued interest and penalties related to unrecognized tax benefits are recognized in income tax expense on the Company’s consolidated statement of operations.

Cash paid for income taxes net of refunds received was $5.7 million for the six months ended June 30, 2012.

Certain tax payments are prepaid during the year and included within prepaid expenses and other current assets on the consolidated balance sheet. The Company’s prepaid tax payments were $2.3 million and $11.0 million at June 30, 2012 and December 31, 2011, respectively.

j2 Global is currently under audit by the California Franchise Tax Board (“FTB”) for tax years 2005 through 2007. The FTB has also issued Information Document Requests regarding the 2008 tax year, although no formal notice of audit for 2008 has been provided. The Company is also under income tax audits by the IRS for tax years 2009 and 2010 and by the Canada Revenue Agency (“CRA”) for tax years 2008 through 2010. In addition, the Company is under audit by the CRA for value added sales taxes for tax years 2009 through 2011. It is possible that these audits may conclude in the next 12 months and that the unrecognized tax benefits the Company has recorded in relation to these tax years may change compared to the liabilities recorded for these periods. However, it is not currently possible to estimate the amount, if any, of such change.

j2 Global is also under audit by various states for non-income related taxes.