Unamortized original issue discount

$ 27,827,000

30,256,000

Voluntary repayment

7,000,000

Term loan, mandatory principal payments during term, with remaining principal balance due December 2015, interest at adjusted LIBOR plus 3.75% (combined rate of 4.22% at June 30, 2012 and 4.30% at December 31, 2011) [Member]

Combined rate of interest on principal balance

Term Loan description

LIBOR plus 3.75%

4.22%

4.30%

Interest rate on LIBOR

3.75%

Principal repayments

17,000,000

Mandatory repayment

10,000,000

$100 million revolving loan facility, due December 2015, interest at adjusted LIBOR plus applicable margin [Member]

Amount available under revolving credit facility

Outstanding borrowings

100,000,000

Amount of revolving credit facility

100,000,000

2010 Convertible Notes - senior subordinated convertible notes; due March1, 2017; cash interest at 3.0%; net of unamortized original issue discount ("OID") of $27,827 and $30,256, respectively [Member]

Interest rate on senior subordinated convertible notes

3.00%

Unamortized original issue discount

$ 27,827,000

30,256,000

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Term loan mandatory repayment.

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Voluntary repayment.

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The percentage points added to the reference rate to compute the variable rate on the debt instrument.

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The average effective interest rate during the reporting period.

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Interest rate stated in the contractual debt agreement.

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Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets.

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The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

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Amount borrowed under the credit facility as of the balance sheet date.

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Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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