| http://www.w3.org/ns/prov#value | - Notwithstanding the solid revenue growth, comparisons of our other financial metrics with the year-ago period are clouded due to the operating expense credit in last year???s second quarter, and certain charges in the 2013 second quarter including a loss on the early extinguishment of debt and a prepayment fee incurred in connection with the refinancing of our second lien debt.
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