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Income Taxes (Tables) | 3 Months Ended
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Mar. 31, 2013
Income Tax Uncertainties [Abstract] |
Schedule Of Interest And Penalties |
| March 31, 2013 |  |  | December 31, 2012
Gross liability for unrecognized tax benefits, exclusive of interest and penalties | $ | 11,887 |  |  | $ | 11,553 |
Interest and penalties on unrecognized benefits | 822 |  |  | 770 |
Total gross uncertain tax positions | $ | 12,709 |  |  | $ | 12,323 |
Amount included in Current liabilities | $ | 5,309 |  |  | $ | 5,291 |
Amount included in Other long-term liabilities | 7,400 |  |  | 7,032 |
| $ | 12,709 |  |  | $ | 12,323 |

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- Definition Tabular disclosure of tax positions taken in the tax returns filed or to be filed for which it is more likely than not that the tax position will not be sustained upon examination by taxing authorities (i.e., uncertain tax positions) and other types of income tax contingencies, including: (1) the policy on classification of interest and penalties; (2) a tabular reconciliation of the total amounts of unrecognized tax benefits at the beginning and end of the period; the total amount(s) of: (3) unrecognized tax benefits that, if recognized, would affect the effective tax rate, and (4) interest and penalties recognized in each of the income statement and balance sheet; (5) for positions for which it is reasonably possible that the total amounts unrecognized will significantly change within 12 months of the reporting date the: (i) nature of the uncertainty, (ii) nature of the event that could occur that would cause the change, and (iii) an estimate of the range of the reasonably possible change or a statement that an estimate of the range cannot be made; and (6) a description of tax years that remain subject to examination by major tax jurisdictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Interpretation (FIN) -Number 48 -Paragraph 21 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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