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Employee Benefit Plans (Tables) | 3 Months Ended
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Sep. 30, 2021
Retirement Benefits [Abstract] |
Schedule of Net Periodic Benefit Costs | The net periodic benefit (credit) cost for the defined benefit pension plans is as follows:
|  | Three Months Ended September 30, |  |
|  | 2021 |  | 2020 |  |  |  |
(In thousands) |  |  |  |
Service cost |  | $ | — |  |  | — |  |  |  |  |
Interest cost |  | 848 |  |  | 859 |  |  |  |  |
Expected return on plan assets |  | (1,237) |  |  | (1,038) |  |  |  |  |
Amortization of net loss(1) |  | 339 |  |  | 502 |  |  |  |  |
Net periodic benefit (credit) cost |  | $ | (50) |  |  | $ | 323 |  |  |  |  |
___________ (1) These amounts represent the estimated portion of the net loss in AOCI that is expected to be recognized as a component of net periodic benefit cost over the current fiscal year. Contributions made by the Company to the multiemployer pension plans were as follows:
|  | Three Months Ended September 30, |  |
|  | 2021 |  | 2020 |  |  |  |
(In thousands) |  |  |  |
Contributions to WCTPP |  | $ | 244 |  |  | $ | 224 |  |  |  |  |
Contributions to All Other Plans |  | 7 |  |  | 4 |  |  |  |  |
The following table shows the components of net periodic postretirement benefit cost (credit) for the Retiree Medical Plan and Death Benefit for the three months ended September 30, 2021 and 2020.
|  | Three Months Ended September 30, |  |
|  | 2021 |  | 2020 |  |  |  |
(In thousands) |  |  |  |  |  |  |  |
Components of Net Periodic Postretirement Benefit Cost (Credit): |  |  |  |  |  |  |  |
Service cost |  | $ | — |  |  | $ | 5 |  |  |  |  |
Interest cost |  | 7 |  |  | 73 |  |  |  |  |
Amortization of net gain |  | 3 |  |  | (2,728) |  |  |  |  |
Amortization of prior service credit |  | — |  |  | (4,481) |  |  |  |  |
Net periodic postretirement benefit cost (credit) |  | $ | 10 |  |  | $ | (7,131) |  |  |  |  |
Defined Benefit Plan, Assumptions | Weighted-Average Assumptions Used to Determine Net Periodic Benefit Cost
|  | September 30, 2021 |  | June 30, 2021
Discount rate |  | 2.60% |  | 2.55%
Expected long-term return on plan assets |  | 6.25% |  | 6.25%
Weighted-Average Assumptions Used to Determine Net Periodic Postretirement Benefit Cost
|  | Three Months Ended September 30,
|  | 2021 |  | 2020
Retiree Medical Plan discount rate |  | N/A |  | 0.06%
Death Benefit discount rate |  | 2.72% |  | 2.87%

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- Definition Tabular disclosure of assumption used to determine benefit obligation and net periodic benefit cost of defined benefit plan. Includes, but is not limited to, discount rate, rate of compensation increase, expected long-term rate of return on plan assets and interest crediting rate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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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=123447040&loc=d3e1928-114920 + Details
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