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Note 4 - Fair Value Measurement | 12 Months Ended
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Dec. 31, 2016
Notes to Financial Statements |
Fair Value Disclosures [Text Block] | 4. Fair Value Measurement For purposes of determining a fair value measurement, we utilize market data or assumptions that market participants would use in pricing an asset or liability, including assumptions about risk and the risks inherent in the inputs to the valuation technique. These inputs can be readily observable, market corroborated or generally unobservable. We utilize valuation techniques that maximize the use of observable inputs and minimize the use of unobservable inputs. These inputs are prioritized into a hierarchy that gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (“Level 1”) and the lowest priority to unobservable inputs that require assumptions to measure fair value (“Level 3”). Level 2 inputs are those that are other than quoted prices on national exchanges included within Level 1 that are observable for the asset or liability either directly or indirectly (“Level 2”). Fair Value of Financial Instruments The estimated fair value of financial instruments is determined using market information and appropriate valuation methodologies. Interpreting market data to develop fair value estimates involves considerable judgment. The use of different market assumptions or methodologies could have a material effect on the estimated fair value amounts. Accordingly, the estimates presented are not necessarily indicative of the amounts that we could realize in a current market exchange, or the value that ultimately will be realized upon maturity or disposition. The carrying amounts of the following instruments approximate fair value due to their short term to maturity: (i) accounts receivable, (ii) prepaid and other current assets, (iii) accounts payable, (iv) accrued employee compensation and benefits, (v) accrued interest, (vi) other accrued expenses, (vii) acquisition-related liabilities and (viii) deferred revenue. The carrying amount and fair value of our long-term debt were each $1.8 billion as December 31, 2016 and $1.2 billion as of December 31, 2015. We classify our long-term debt within Level 2 of the fair value hierarchy.

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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 820 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 2: 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 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 825 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13537-108611 Reference 5: 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=73719730&loc=d3e13504-108611 Reference 6: 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=73719730&loc=d3e13433-108611 + Details
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