the liability balance includes amounts reflected as other long-term liabilities in the accompanying consolidated balance sheets totaling $ 74360 and $ 46961 as of december 31 , 2012 and 2011 , respectively . the total balance in the table above does not include interest and penalties of $ 260 and $ 214 as of december 31 , 2012 and 2011 , respectively , which is recorded as a component of income tax expense . the majority of the increased tax position is attributable to temporary differences