Quarterly report pursuant to Section 13 or 15(d)

Income Tax Benefit/Expense

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Income Tax Benefit/Expense
9 Months Ended
Sep. 30, 2013
Income Tax Disclosure [Abstract]  
Income Tax Benefit/Expense
Income Tax Benefit/Expense
Income tax expense was $9.1 million for the third quarter of 2013 as compared to $6.7 million for the third quarter of 2012. The increase in current period income tax expense is primarily due to a shift in the mix of our foreign and domestic operation's pre-tax earnings for the 2013 third quarter compared to the 2012 third quarter. This shift resulted in an increase in our estimated effective tax rate during the 2013 third quarter.
During the nine months ended September 30, 2013, we received income tax refunds from the IRS of $22.4 million. In addition to the refund payments, we received interest of $2.2 million, which was recorded in the consolidated condensed statement of operations as interest income.