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Business Segments and Geographic Information (Details 1) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013
Pre-Tax Income Reconciliation of Segments |  |  |  |
Total operating income from segments | $ 89,037 | $ 78,750 | $ 166,109 | $ 152,049
Unallocated Amount: |  |  |  |
General and Administrative Expenses | (28,148) | (27,363) | (56,650) | (59,403)
Net Interest Expense | (19,778) | (19,938) | (39,698) | (38,095)
Loss on extinguishment of debt | 0 | (5,527) | 0 | (5,527)
Income before income taxes and equity in earnings of affiliates | $ 41,111 | $ 25,922 | $ 69,761 | $ 49,024

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