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Fair Value | 9 Months Ended
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Sep. 30, 2013
Fair Value [Abstract] |
Fair Value | Note 13 – Fair Value Fair value is defined as the exchange price that would be received for an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. A three-tier fair value hierarchy of inputs is employed to determine fair value measurements. Level 1 inputs are quoted prices (unadjusted) in active markets for identical assets and liabilities. Level 2 inputs are observable prices that are not quoted on active exchanges, such as quoted prices for similar assets or liabilities; quoted prices in markets that are not active; and model-derived valuations whose inputs are observable or whose significant value drivers are observable. Level 3 inputs are unobservable inputs employed for measuring the fair value of assets or liabilities. This hierarchy requires the Company to use observable market data, when available, and to minimize the use of unobservable inputs when determining fair value. The carrying amounts of cash equivalents, accounts receivable, accrued liabilities, accounts payable and capital lease obligations approximate fair value. As of September 30, 2013, $12.1 million (par value) of long-term investments were recorded at fair value. The long-term investments consist of auction rate securities, primarily secured by guaranteed student loans backed by a U.S. government agency, and are classified as available-for-sale. Auction rate securities are adjustable rate debt instruments whose interest rates were intended to reset every 7 to 35 days through an auction process. Overall changes in the global credit and capital markets led to failed auctions for these securities beginning in early 2008. These failed auctions, in addition to overall global economic conditions, impacted the liquidity of these investments and resulted in the Company continuing to hold these securities beyond their typical auction reset dates. The market for these types of securities remains illiquid as of September 30, 2013. These securities are classified as long-term investments, and the contractual maturity of these securities is over ten years. These long-term investments were valued using Level 3 inputs as of September 30, 2013, as the assets were subject to valuation using significant unobservable inputs. The Company estimated the fair value of each security with the assistance of an independent valuation firm using a discounted cash flow model to calculate the present value of projected cash flows based on a number of inputs and assumptions, including the security structure and terms, the current market conditions and the related impact on the expected weighted-average life, interest rate estimates and default risk of the securities. As of September 30, 2013, the Company has recorded an unrealized loss of $1.5 million on the long-term investments based upon this valuation. This unrealized loss reduced the fair value of the Company's auction rate securities as of September 30, 2013 to $10.6 million. These investments have been in an unrealized loss position for greater than 12 months. During the nine months ended September 30, 2013 and 2012, the Company recorded unrealized gains of $0.3 million and $0.4 million, respectively, on its long-term investments. The Company conducts periodic reviews to identify and evaluate each investment that has an unrealized loss. An unrealized loss exists when the current fair value of an individual security is less than its amortized cost basis. Due to the unrealized losses on the auction rate securities held, the Company has assessed whether the calculated impairment is other-than-temporary. In performing this assessment, even though the Company has no intention to sell the securities before the amortized cost basis is recovered and believes it is more-likely-than-not that it will not be required to sell the securities prior to recovery, the Company has performed additional analyses to determine if a portion of the unrealized loss is considered a credit loss. A credit loss would be identified as the amount of the principal cash flows not expected to be received over the remaining term of the security as projected using the Company's best estimates. The Company has assessed each security for credit impairment, taking into account factors such as (i) the length of time and the extent to which fair value has been below cost; (ii) activity in the market of the issuer which may indicate adverse credit conditions; (iii) the payment structure of the security; and (iv) the failure of the issuer of the security to make scheduled payments. The Company used an independent valuation firm to assist in making these assessments. Based on these assessments, the Company has determined that there is no credit loss associated with its auction rate securities as of September 30, 2013, as shown by the cash flows expected to be received over the remaining life of the securities. The following table provides a reconciliation of the beginning and ending balance of the Company's auction rate securities classified as long-term investments measured at fair value using significant unobservable inputs (Level 3 inputs):
(in thousands) |  | 2013 |  |  | 2012
Balance as of January 1 | $ | 10,324 |  | $ | 24,673
Net unrealized gains included in other comprehensive loss |  | 318 |  |  | 351
Sales of investments at par value |  | (25) |  |  | (11,025)
Balance as of September 30 | $ | 10,617 |  | $ | 13,999
Unrealized losses still held as of September 30 | $ | 1,533 |  | $ | 2,976
The cumulative unrealized loss is included as a component of accumulated other comprehensive loss within shareholders' equity in the accompanying consolidated balance sheet. As of September 30, 2013, there were no long-term investments measured at fair value using Level 1 or Level 2 inputs. All income generated from these investments is recorded as interest income.

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- Definition The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13537-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13433-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14064-108612 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14172-108612 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13504-108611 + Details
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