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Benefit Plans (Tables) | 6 Months Ended
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Dec. 31, 2015
Compensation and Retirement Disclosure [Abstract] |
Net periodic costs | The following table provides summary disclosures of the net periodic postemployment costs recognized for the Company’s postemployment benefit plans:
|  | Pension Benefits |  | Retiree Health Care Benefits
Three Months Ended December 31, |  | 2015 |  | 2014 |  | 2015 |  | 2014
Components of net periodic cost: |  |  |  |  |  |  |  |
Service cost |  | $ | 23 |  |  | $ | 24 |  |  | $ | 6 |  |  | $ | 13 |
Interest cost |  | 216 |  |  | 224 |  |  | 19 |  |  | 24 |
Expected return on plan assets |  | (123 | ) |  | (124 | ) |  | — |  |  | — |
Recognized net actuarial (gain) loss |  | 229 |  |  | 140 |  |  | (53 | ) |  | (22 | )
Amortization of prior service cost |  | 21 |  |  | 22 |  |  | (68 | ) |  | (68 | )
Net periodic cost |  | $ | 366 |  |  | $ | 286 |  |  | $ | (96 | ) |  | $ | (53 | )
|  | Pension Benefits |  | Retiree Health Care Benefits
Six Months Ended December 31, |  | 2015 |  | 2014 |  | 2015 |  | 2014
Components of net periodic cost: |  |  |  |  |  |  |  |
Service cost |  | $ | 46 |  |  | $ | 48 |  |  | $ | 12 |  |  | $ | 26 |
Interest cost |  | 432 |  |  | 448 |  |  | 38 |  |  | 48 |
Expected return on plan assets |  | (246 | ) |  | (248 | ) |  | — |  |  | — |
Recognized net actuarial loss (gain) |  | 457 |  |  | 280 |  |  | (106 | ) |  | (44 | )
Amortization of prior service cost |  | 43 |  |  | 44 |  |  | (136 | ) |  | (136 | )
Net periodic cost |  | $ | 732 |  |  | $ | 572 |  |  | $ | (192 | ) |  | $ | (106 | )

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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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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