FAIR VALUE MEASUREMENTS

3 Months Ended

Mar. 31, 2014

NOTE 13. FAIR VALUE MEASUREMENTS

Our financial assets and liabilities recorded at fair value on a recurring basis primarily relate to investments in available-for-sale securities held by our captive insurance subsidiaries. The following tables present information about our assets and liabilities that are measured at fair value on a recurring basis as of March 31, 2014 and December 31, 2013. The following tables also indicate the fair value hierarchy of the valuation techniques we utilized to determine such fair values. In general, fair values determined by Level 1 inputs utilize quoted prices (unadjusted) in active markets for identical assets or liabilities. We consider a security that trades at least weekly to have an active market. Fair values determined by Level 2 inputs utilize data points that are observable, such as quoted prices, interest rates and yield curves. Fair values determined by Level 3 inputs are unobservable data points for the asset or liability, and include situations where there is little, if any, market activity for the asset or liability.

Investments:	March 31, 2014		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Marketable securities — current	$	1	$	1	$	0	$	0
Investments in Reserve Yield Plus Fund	2		0		2		0
Marketable debt securities — noncurrent	62		24		37		1
	$	65	$	25	$	39	$	1

Investments:	December 31, 2013		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Marketable securities — current	$	1	$	1	$	0	$	0
Investments in Reserve Yield Plus Fund	2		0		2		0
Marketable debt securities — noncurrent	62		23		38		1
	$	65	$	24	$	40	$	1

The fair value of our long-term debt is based on quoted market prices (Level 1). At March 31, 2014 and December 31, 2013, the estimated fair value of our long-term debt was approximately 105.4% and 103.5%, respectively, of the carrying value of the debt.

- 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.

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