

8.	Fair Value

Current fair value accounting guidance includes a hierarchy that is intended to increase consistency and comparability in fair value measurements and related disclosures. The fair value hierarchy is based on inputs to valuation techniques that are used to measure fair value that are either observable or unobservable. Observable inputs reflect assumptions market participants would use in pricing an asset or liability based on market data obtained from independent sources while unobservable inputs reflect a reporting entity’s pricing based upon their own market assumptions. The current guidance establishes a three-tiered fair value hierarchy which prioritizes the inputs used in measuring fair value as follows:


•	Level 1. Observable inputs such as quoted prices in active markets;


•	Level 2. Inputs, other than quoted prices, that are observable for the asset or liability, either directly or indirectly. These include quoted prices for similar assets or liabilities in active markets and quoted prices for identical or similar assets or liabilities in markets that are not active; and


•	Level 3. Unobservable inputs in which there is little or no market data, which require the reporting entity to develop its own assumptions.

Non-Recurring Financial Measurements

Non-financial assets such as property, plant and equipment, land, goodwill and intangible assets are subject to non-recurring fair value measurements if they are deemed to be impaired. The impairment models used for nonfinancial assets depend on the type of asset and are accounted for in accordance with FASB’s guidance on fair value measurement.



8.	Fair Value, continued

During the quarter ended September 30, 2014, the entire balance of $9.2 million of our Vetstreet goodwill was written off in an impairment charge which was included in earnings in the period. Additionally, during the quarter ended September 30, 2014, our Vetstreet long-lived assets were written down to their estimated fair value resulting in an impairment charge of $17.8 million, which was included in earnings in the period. Our Vetstreet long-lived assets balance as of December 31, 2014 was $4.8 million. Both the implied fair value of goodwill and the estimated fair value of long-lived assets were calculated using Level 3 inputs.

Fair Value of Financial Instruments

The FASB accounting guidance requires disclosure of fair value information about financial instruments, whether or not recognized in the accompanying consolidated balance sheets. Fair value as defined by the guidance is the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. The fair value estimates of financial instruments are not necessarily indicative of the amounts we might pay or receive in actual market transactions. The use of different market assumptions and/or estimation methodologies may have a material effect on the estimated fair value amounts.

Cash and Cash Equivalents. These balances include cash and cash equivalents with maturities of less than three months. The carrying amount approximates fair value due to the short-term maturities of these instruments.

Receivables, Less Allowance for Doubtful Accounts, Accounts Payable and Certain Other Accrued Liabilities. Due to their short-term nature, fair value approximates carrying value.

Long-Term Debt. The fair value of debt at December 31, 2015 and December 31, 2014 is based upon the ask price quoted from an external source, which is considered a Level 2 input.

The following table reflects the carrying value and fair value of our variable-rate long-term debt (in thousands):



	As of December 31,
	2015				2014
	Carrying Value		Fair Value		Carrying Value		Fair Value
Variable-rate long-term debt	$	817,000	$	817,000	$	735,000	$	735,000