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Basis of Presentation (Policies) | 9 Months Ended
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Jun. 30, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
New Accounting Pronouncements | New Accounting Pronouncements: Adopted In August 2018, the Financial Accounting Standards Board (the "FASB") issued Accounting Standards Update ("ASU") No. 2018-14, Compensation - Retirement Benefits - Defined Benefit Plans - General (Subtopic 715-20), which modifies the disclosure requirements for employers that sponsor defined benefit pension or other postretirement plans. The adoption of this ASU in the first quarter ended December 31, 2020 had no material impact on the Company's consolidated financial statements and the Form 10-K disclosures for the year ended September 30, 2021 will reflect the adoption of this ASU. In June 2016, the FASB issued ASU No. 2016-13, Financial Instruments - Credit Losses (Topic 326), which provides financial statement users with more decision-useful information about the expected credit losses on financial instruments and other commitments to extend credit held by a reporting entity at each report date. Subsequently, the FASB issued ASU No. 2019-11, C odification Improvements to Topic 326, Financial Instruments—Credit Losses and ASU No. 2020-02, Financial Instruments—Credit Losses (Topic 326) and Leases (Topic 842), that provide certain amendments to the new guidance. The adoption of these ASUs in the first quarter ended December 31, 2020 had no material impact on the Company's consolidated financial statements.

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