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CONVERTIBLE NOTES PAYABLE | 6 Months Ended
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Jun. 30, 2013
Debt Disclosure [Abstract] |
Convertible Notes Payable | CONVERTIBLE NOTES PAYABLE In December 2006 and January 2007, the Company issued convertible notes totaling $115.0 million with a fixed interest rate of 3.75% due in 2026 (the "Convertible Notes"). The Convertible Notes were issued at par and require interest payments semi-annually in arrears on June 15 th and December 15 th of each year. The Convertible Notes are unsecured obligations and rank equally with all other unsecured and unsubordinated indebtedness. The Convertible Notes have an effective interest rate of 6.03% after giving effect to the accounting treatment required by ASC Topic 470-20, "Debt with Conversion and Other Options." Holders of the Convertible Notes may require the Company to repurchase the Convertible Notes at par on December 15, 2016 and December 15, 2021. Through June 30, 2013, the Company had purchased $114.1 million in principal amount of its Convertible Notes, none of which were repurchased subsequent to December 31, 2011, and the remaining outstanding balance is $0.9 million. As of December 31, 2011, all loan costs associated with the issuance have been expensed and there is no remaining net carrying amount of the equity component. The if-converted value of the Convertible Notes does not exceed their aggregate principal amount as of June 30, 2013 and there are no derivative transactions that were entered into in connection with the issuance of the Convertible Notes.

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- Definition The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20, 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 2, 4 -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. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19,20,22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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