FAIR VALUE MEASUREMENTS	9 Months Ended
Sep. 30, 2021
FAIR VALUE MEASUREMENTS [Abstract]
FAIR VALUE MEASUREMENTS	Note 5: Fair Value Measurements 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. The fair value hierarchy prioritizes the inputs to valuation techniques used to measure fair value into three broad levels as described below: Level 1: Quoted prices in active markets for identical assets or liabilitiesLevel 2: Inputs that are derived principally from or corroborated by observable market dataLevel 3: Inputs that are unobservable and significant to the overall fair value measurement Our assets subject to fair value measurement on a recurring basis are summarized below: Level 1 Fair Value September 30 December 31 September 30 in thousands2021 2020 2020 Fair Value Recurring Rabbi Trust Mutual funds$ 30,489 $ 28,058 $ 24,447 Total$ 30,489 $ 28,058 $ 24,447 Level 2 Fair Value September 30 December 31 September 30 in thousands2021 2020 2020 Fair Value Recurring Rabbi Trust Money market mutual fund$ 1,303 $ 837 $ 1,581 Total$ 1,303 $ 837 $ 1,581 We have two Rabbi Trusts for the purpose of providing a level of security for the employee nonqualified retirement and deferred compensation plans and for the directors' nonqualified deferred compensation plans. The fair values of these investments are estimated using a market approach. The Level 1 investments include mutual funds for which quoted prices in active markets are available. Level 2 investments are stated at estimated fair value based on the underlying investments in the fund (high-quality, short-term, U.S. dollar-denominated money market instruments). Net gains of the Rabbi Trusts’ investments were $2,374,000 and $1,352,000 for the nine months ended September 30, 2021 and 2020, respectively. The portions of the net gains related to investments still held by the Rabbi Trusts at September 30, 2021 and 2020 were $2,020,000 and $1,360,000, respectively. Interest rate swaps are measured at fair value using quoted market prices or pricing models that use prevailing market interest rates as of the measurement date. These interest rate swaps are more fully described in Note 6. The carrying values of our cash equivalents, restricted cash, accounts and notes receivable, short-term debt, trade payables and accruals, and all other current liabilities approximate their fair values because of the short-term nature of these instruments. Additional disclosures for derivative instruments and interest-bearing debt are presented in Notes 6 and 7, respectively.

FAIR VALUE MEASUREMENTS

9 Months Ended

Sep. 30, 2021

Note 5: Fair Value Measurements 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. The fair value hierarchy prioritizes the inputs to valuation techniques used to measure fair value into three broad levels as described below: Level 1: Quoted prices in active markets for identical assets or liabilitiesLevel 2: Inputs that are derived principally from or corroborated by observable market dataLevel 3: Inputs that are unobservable and significant to the overall fair value measurement Our assets subject to fair value measurement on a recurring basis are summarized below: Level 1 Fair Value September 30 December 31 September 30 in thousands2021 2020 2020 Fair Value Recurring Rabbi Trust Mutual funds$ 30,489 $ 28,058 $ 24,447 Total$ 30,489 $ 28,058 $ 24,447 Level 2 Fair Value September 30 December 31 September 30 in thousands2021 2020 2020 Fair Value Recurring Rabbi Trust Money market mutual fund$ 1,303 $ 837 $ 1,581 Total$ 1,303 $ 837 $ 1,581 We have two Rabbi Trusts for the purpose of providing a level of security for the employee nonqualified retirement and deferred compensation plans and for the directors' nonqualified deferred compensation plans. The fair values of these investments are estimated using a market approach. The Level 1 investments include mutual funds for which quoted prices in active markets are available. Level 2 investments are stated at estimated fair value based on the underlying investments in the fund (high-quality, short-term, U.S. dollar-denominated money market instruments). Net gains of the Rabbi Trusts’ investments were $2,374,000 and $1,352,000 for the nine months ended September 30, 2021 and 2020, respectively. The portions of the net gains related to investments still held by the Rabbi Trusts at September 30, 2021 and 2020 were $2,020,000 and $1,360,000, respectively. Interest rate swaps are measured at fair value using quoted market prices or pricing models that use prevailing market interest rates as of the measurement date. These interest rate swaps are more fully described in Note 6. The carrying values of our cash equivalents, restricted cash, accounts and notes receivable, short-term debt, trade payables and accruals, and all other current liabilities approximate their fair values because of the short-term nature of these instruments. Additional disclosures for derivative instruments and interest-bearing debt are presented in Notes 6 and 7, respectively.

- 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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