Benefit Plans 3 (Details)	12 Months Ended
Jun. 30, 2015	Jun. 30, 2014
Pension Benefits [Member]
Assumptions used to determine benefit obligations at year end:
Discount rate	3.00%	2.80%
Assumptions used to determine net periodic benefit cost:
Discount rate	2.80%	3.00%
Expected return on plan assets	7.00%	7.00%
Postretirement Health Coverage [Member]
Assumptions used to determine benefit obligations at year end:
Discount rate	4.00%	3.80%
Assumptions used to determine net periodic benefit cost:
Discount rate	3.80%	4.00%

The interest rate used to adjust for the time value of money for the plan.

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)(1)

-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920

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- Definition

The interest rate used to adjust for the time value of money.

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- Definition

An assumption as to the rate of return on plan assets reflecting the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the benefit obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Expected Long-Term Rate of Return on Plan Assets

-URI http://asc.fasb.org/extlink&oid=6512046

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

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-Section 50

-Paragraph 1

-Subparagraph (k)(3)

-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920

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