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Long Term Debt (Tables) | 6 Months Ended
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Jun. 30, 2012
Schedule of Principal Repayment Requirements of Long Term Debt | Presented below is a schedule of the principal repayment requirements of long-term debt by fiscal year as of June 30, 2012 (in thousands):
Year ending December 31, |  |  |  |
2012 |  | $ | — |
2013 |  |  | — |
2014 |  |  | — |
2015 |  |  | — |
2016 |  |  | — |
Thereafter |  |  | 600,000 |
Total |  | $ | 600,000 |

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- Definition Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration