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Employee Benefit Plans (Tables) | 6 Months Ended
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Dec. 31, 2013
Compensation and Retirement Disclosure [Abstract] |
Schedule of Net Periodic Benefit Costs | The net periodic benefit cost for the defined benefit pension plans is as follows:
| Three Months Ended December 31, |  | Six Months Ended December 31,
| 2013 |  | 2012 |  | 2013 |  | 2012
(In thousands) |  |  |
Service cost | $ | 100 |  |  | $ | 119 |  |  | $ | 200 |  |  | $ | 238 |
Interest cost | 1,452 |  |  | 1,449 |  |  | 2,904 |  |  | 2,898 |
Expected return on plan assets | (1,705 | ) |  | (1,660 | ) |  | (3,410 | ) |  | (3,320 | )
Amortization of net (gain) loss* | 336 |  |  | 387 |  |  | 672 |  |  | 774 |
Amortization of prior service cost (credit)* | — |  |  | 5 |  |  | — |  |  | 10 |
Net periodic benefit cost | $ | 183 |  |  | $ | 300 |  |  | $ | 366 |  |  | $ | 600 |
The following table shows the components of net periodic postretirement benefit cost for the three and six months ended December 31, 2013 and 2012 for the postretirement medical and death benefits. Net periodic postretirement benefit cost for the three and six months ended December 31, 2013 was based on employee census information as of July 1, 2013 and asset information as of June 30, 2013.
|  | Three Months Ended December 31, |  | Six Months Ended December 31,
|  | 2013 |  | 2012 |  | 2013 |  | 2012
(In thousands) |  |  |  |
Components of Net Periodic Postretirement Benefit Cost: |  |  |  |  |  |  |  |
Service cost |  | $ | (25 | ) |  | $ | 493 |  |  | $ | 468 |  |  | $ | 986 |
Interest cost |  | 163 |  |  | 242 |  |  | 405 |  |  | 484 |
Expected return on plan assets |  | — |  |  | — |  |  | — |  |  | — |
Amortization of net gain |  | (445 | ) |  | 4 |  |  | (441 | ) |  | 8 |
Amortization of unrecognized transition (asset) obligation |  | — |  |  | — |  |  | — |  |  | — |
Amortization of prior service cost (credit) |  | (440 | ) |  | (439 | ) |  | (879 | ) |  | (878 | )
Net periodic postretirement benefit (credit) cost |  | $ | (747 | ) |  | $ | 300 |  |  | $ | (447 | ) |  | $ | 600 |
Schedule of Weighted Average Assumptions Used | Weighted-average assumptions used to determine net periodic postretirement benefit cost
| Fiscal
| 2014 |  | 2013
Postretirement medical benefit discount rate | 4.80% |  | 4.20%
Postretirement death benefit discount rate | 4.53% |  | 4.39%
Weighted-average assumptions used to determine net periodic benefit cost
| Fiscal
| 2014 |  | 2013
Discount rate | 4.50% |  | 4.55%
Expected long-term rate of return on plan assets | 8.00% |  | 8.00%

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- Definition Tabular disclosure of the assumptions used to determine for pension plans and/or other employee benefit plans the benefit obligation and net benefit cost, including assumed discount rates, rate increase in compensation increase, and expected long-term rates of return on plan assets. + 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 (k) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the changes in plan assets and benefit obligations recognized in other comprehensive income (loss) during the period. + References No definition available. + Details
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