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Employee Benefit Plans (Tables) | 6 Months Ended
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Mar. 31, 2020
Retirement Benefits [Abstract] |
Schedule of Components of Net Periodic Pension and Postretirement Benefit Cost | Net pension plan and postretirement plan expense is detailed as follows:
| Three Months Ended |  | Six Months Ended
| March 31, |  | March 31,
| 2020 |  | 2019 |  | 2020 |  | 2019
Components of net periodic pension cost: |  |  |  |  |  |  |
Service cost | $ | 172,902 |  |  | $ | 134,317 |  |  | $ | 345,804 |  |  | $ | 268,634 |
Interest cost | 265,557 |  |  | 291,682 |  |  | 531,114 |  |  | 583,364 |
Expected return on plan assets | (459,156 | ) |  | (387,359 | ) |  | (918,312 | ) |  | (774,718 | )
Recognized loss | 113,936 |  |  | 39,650 |  |  | 227,872 |  |  | 79,300 |
Net periodic pension cost | $ | 93,239 |  |  | $ | 78,290 |  |  | $ | 186,478 |  |  | $ | 156,580 |
| Three Months Ended |  | Six Months Ended
| March 31, |  | March 31,
| 2020 |  | 2019 |  | 2020 |  | 2019
Components of postretirement benefit cost: |  |  |  |  |  |  |
Service cost | $ | 41,970 |  |  | $ | 33,221 |  |  | $ | 83,940 |  |  | $ | 66,442 |
Interest cost | 132,869 |  |  | 162,236 |  |  | 265,738 |  |  | 324,472 |
Expected return on plan assets | (137,599 | ) |  | (136,805 | ) |  | (275,198 | ) |  | (273,610 | )
Recognized loss | 59,343 |  |  | 30,951 |  |  | 118,686 |  |  | 61,902 |
Net postretirement benefit cost | $ | 96,583 |  |  | $ | 89,603 |  |  | $ | 193,166 |  |  | $ | 179,206 |
Summary of Employer Contributions to Defined Benefit Plans | The table below reflects the Company's actual contributions made fiscal year-to-date and the expected contributions to be made during the balance of the current fiscal year.
|  | Fiscal Year-to-Date Contributions |  | Remaining Fiscal Year Contributions
| Defined benefit pension plan | $ | 400,000 |  |  | $ | 400,000 |
| Postretirement medical plan | 400,000 |  |  | — |
| Total | $ | 800,000 |  |  | $ | 400,000 |

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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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