Fair Value of Financial Instruments

3 Months Ended

Sep. 30, 2011

Fair Value of Financial Instruments [Abstract]

8. Fair Value of Financial Instruments

Fair value rules currently apply to all financial assets and liabilities and for certain nonfinancial assets and liabilities that are required to be recognized or disclosed at fair value on a recurring basis. For this purpose, fair value is defined as 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. Valuation techniques used to measure fair value must maximize the use of observable inputs and minimize the use of unobservable inputs.

There is a three-tier fair value hierarchy, which prioritizes the inputs used in measuring fair value. These tiers include:

	•		Level 1 — Valuations based on quoted prices in active markets for identical instruments that we are able to access. Since valuations are based on quoted prices that are readily and regularly available in an active market, valuation of these products does not entail a significant degree of judgment.

	•		Level 2 — Valuations based on quoted prices in active markets for instruments that are similar, or quoted prices in markets that are not active for identical or similar instruments, and model-derived valuations in which all significant inputs and significant value drivers are observable in active markets.

	•		Level 3 — Valuations based on inputs that are unobservable and significant to the overall fair value measurement.

As of September 30, 2011, we held certain items that are required to be measured at fair value on a recurring basis. These included interest rate derivative instruments and diesel fuel derivative instruments. Derivative instruments are used to hedge a portion of our diesel fuel costs and our exposure to interest rate fluctuations. These derivative instruments currently consist of swaps only. See Note 5 for further information on our derivative instruments and hedging activities.

Our interest rate derivative instruments and diesel fuel derivative instruments consist of over-the-counter contracts, which are not traded on a public exchange. The fair values for our interest rate swaps and diesel fuel swaps are based on current settlement values and represent the estimated amount we would have received or paid upon termination of these agreements. The fair values are derived using pricing models that rely on market observable inputs such as yield curves and commodity forward prices, and therefore are classified as Level 2. We also consider counterparty credit risk in our determination of all estimated fair values. We have consistently applied these valuation techniques in all periods presented.

At September 30, 2011 and June 30, 2011, both the carrying amounts and fair values for our interest rate swaps and diesel fuel swaps were as follows:


	September 30,
Description	2011			Level 1		Level 2			Level 3
Liability:
Diesel fuel swap agreements	$	(587	)	$	—	$	(587	)	$	—
Interest rate swap agreements		(213	)		—		(213	)		—

Total	$	(800	)	$	—	$	(800	)	$	—


Description	June 30, 2011			Level 1		Level 2			Level 3
Asset:
Diesel fuel swap agreements	$	888		$	—	$	888		$	—
Liability:
Interest rate swap agreements		(291	)		—		(291	)		—

Total	$	597		$	—	$	597		$	—

The carrying amounts of cash and cash equivalents, accounts receivable and accounts payable approximate fair values due to the short-term nature of these instruments. The carrying value of our debt approximates fair value based on the market-determined, variable interest rates.

Assets and liabilities that are measured at fair value on a nonrecurring basis include assets held for sale. Assets held for sale are valued using Level 2 inputs, primarily observed prices for similar assets in the used equipment market.

- Definition

This item represents the complete disclosure regarding the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments, 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 Company 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 risk is 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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