CONVERTIBLE NOTES PAYABLE	6 Months Ended
Jun. 30, 2011
Debt Disclosure [Text Block]	9. CONVERTIBLE NOTES PAYABLE In December 2006 and January 2007, the Company issued $115.0 million of convertible notes with a fixed interest rate of 3.75% due 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% 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 20, 2011, December 15, 2016 and December 15, 2021. The Company determined that the Convertible Notes will mature on December 20, 2011. The carrying amount of the equity component included in additional paid-in capital totaled $0.5 million at June 30, 2011 and $1.1 million at December 31, 2010. The additional non-cash interest expense recognized in the Consolidated Statements of Income was $0.3 million for each of the three months ended June 30, 2011 and 2010, and $0.5 million for each of the six months ended June 30, 2011 and 2010, respectively. The if-converted value of the Convertible Notes does not exceed their aggregate principal amount as of June 30, 2011 and there are no derivative transactions that were entered into in connection with the issuance of the Convertible Notes. During June 2011, the Company purchased $10.0 million in face amount of its Convertible Notes for $10.1 million and recognized a loss on debt extinguishment of $0.1 million. Through June 30, 2011, the Company has purchased $75.3 million in face amount of its Convertible Notes at an average discount of approximately 16%. The outstanding Convertible Notes face amount as of June 30, 2011 was $39.7 million.

CONVERTIBLE NOTES PAYABLE

6 Months Ended

Jun. 30, 2011

9. CONVERTIBLE NOTES PAYABLE

In December 2006 and January 2007, the Company issued $115.0 million of convertible notes with a fixed interest rate of 3.75% due 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% 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 20, 2011, December 15, 2016 and December 15, 2021. The Company determined that the Convertible Notes will mature on December 20, 2011.

The carrying amount of the equity component included in additional paid-in capital totaled $0.5 million at June 30, 2011 and $1.1 million at December 31, 2010. The additional non-cash interest expense recognized in the Consolidated Statements of Income was $0.3 million for each of the three months ended June 30, 2011 and 2010, and $0.5 million for each of the six months ended June 30, 2011 and 2010, respectively. The if-converted value of the Convertible Notes does not exceed their aggregate principal amount as of June 30, 2011 and there are no derivative transactions that were entered into in connection with the issuance of the Convertible Notes.

During June 2011, the Company purchased $10.0 million in face amount of its Convertible Notes for $10.1 million and recognized a loss on debt extinguishment of $0.1 million.

Through June 30, 2011, the Company has purchased $75.3 million in face amount of its Convertible Notes at an average discount of approximately 16%. The outstanding Convertible Notes face amount as of June 30, 2011 was $39.7 million.

- 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.

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