Pension and Postretirement Benefit Plans (Plan Assets, Schedule of Allocations by Asset Category) (Details) - Pension [Member]	12 Months Ended
Jun. 30, 2015	Jun. 30, 2014
Defined Benefit Plan Disclosure [Line Items]
Target plan assets allocation	100.00%	100.00%
Actual plan assets allocation	100.00%	100.00%
Domestic Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Target plan assets allocation	35.00%	35.00%
Actual plan assets allocation	35.00%	36.00%
Fixed Income Investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Target plan assets allocation	30.00%	30.00%
Actual plan assets allocation	29.00%	27.00%
International Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Target plan assets allocation	25.00%	25.00%
Actual plan assets allocation	25.00%	26.00%
Global Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Target plan assets allocation	10.00%	10.00%
Actual plan assets allocation	11.00%	11.00%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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- Definition

Target allocation of investments of this type to total plan assets presented on a weighted average basis.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 5

-Subparagraph (c)(i)

-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e2446-114920

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (d)(i)

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

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- Definition

Percentage of fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of plan assets held.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 5

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e2446-114920

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (d)(1)

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

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