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FAIR VALUE MEASUREMENTS | 12 Months Ended
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Sep. 30, 2017
Fair Value Disclosures [Abstract] |
FAIR VALUE MEASUREMENTS | 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. A three level fair value hierarchy is used to prioritize the inputs used in valuations, as defined below: Level 1: Observable inputs that reflect unadjusted quoted prices for identical assets or liabilities in active markets. Level 2: Inputs other than quoted prices included within Level 1 that are observable for the asset or liability, either directly or indirectly. Level 3: Unobservable inputs for the asset or liability. As of September 30, 2017 and 2016, the fair values of the Company's assets and liabilities measured on a recurring basis were categorized as follows:
| September 30, 2017
| Level 1 |  | Level 2 |  | Level 3 |  | Total
Assets: |  |  |  |  |  |  |
Derivatives (1) | $ | — |  |  | $ | 3,990 |  |  | $ | — |  |  | $ | 3,990 |
Equity and fixed income mutual funds | — |  |  | 21,649 |  |  | — |  |  | 21,649 |
Other investments | — |  |  | 5,810 |  |  | — |  |  | 5,810 |
Total assets at fair value | $ | — |  |  | $ | 31,449 |  |  | $ | — |  |  | $ | 31,449 |
Liabilities: |  |  |  |  |  |  |  |  |  |  |
Derivatives (1) | $ | — |  |  | $ | 31 |  |  | $ | — |  |  | $ | 31 |
Total liabilities at fair value | $ | — |  |  | $ | 31 |  |  | $ | — |  |  | $ | 31 |
(1) Interest rate swaps are valued based on observable market swap rates and are classified within Level 2 of the fair value hierarchy.
| September 30, 2016
| Level 1 |  | Level 2 |  | Level 3 |  | Total
Assets: |  |  |  |  |  |  |
Derivatives (1) | $ | — |  |  | $ | 193 |  |  | $ | — |  |  | $ | 193 |
Equity and fixed income mutual funds | — |  |  | 19,790 |  |  | — |  |  | 19,790 |
Other investments | — |  |  | 5,127 |  |  | — |  |  | 5,127 |
Total assets at fair value | $ | — |  |  | $ | 25,110 |  |  | $ | — |  |  | $ | 25,110 |
Liabilities: |  |  |  |  |  |  |  |  |  |  |
Derivatives (1) | $ | — |  |  | $ | 6,027 |  |  | $ | — |  |  | $ | 6,027 |
Total liabilities at fair value | $ | — |  |  | $ | 6,027 |  |  | $ | — |  |  | $ | 6,027 |
(1) Interest rate swaps are valued based on observable market swap rates and are classified 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 -URI http://asc.fasb.org/topic&trid=2155941 + Details
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