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Pension and Other Postretirement Benefits (Details 8) | 12 Months Ended |
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Jun. 30, 2014 | Jun. 30, 2013
Pension and Other Postretirement Benefit Disclosures |  |
Weighted-average asset allocation (as a percent) | 100.00% | 100.00%
Percentage increase in funding level to shift assets from return seeking to liability hedging | 5.00% |
Percentage change in assets allocation from assets seeking to liability hedging due to increase in funding level | 4.00% |
Equity securities |  |
Pension and Other Postretirement Benefit Disclosures |  |
Weighted-average asset allocation (as a percent) | 55.10% | 63.50%
Fixed income securities |  |
Pension and Other Postretirement Benefit Disclosures |  |
Weighted-average asset allocation (as a percent) | 44.20% | 34.30%
Cash and cash equivalents |  |
Pension and Other Postretirement Benefit Disclosures |  |
Weighted-average asset allocation (as a percent) | 0.70% | 2.20%
U.S. Pension Plans | Return seeking asset |  |
Pension and Other Postretirement Benefit Disclosures |  |
Plan's current allocation policy (as a percent) | 60.00% |
U.S. Pension Plans | Liability hedging assets |  |
Pension and Other Postretirement Benefit Disclosures |  |
Plan's current allocation policy (as a percent) | 40.00% |
Other Postretirement Plans | Equity securities |  |
Pension and Other Postretirement Benefit Disclosures |  |
Plan's current allocation policy (as a percent) | 60.00% |
Other Postretirement Plans | Fixed income securities |  |
Pension and Other Postretirement Benefit Disclosures |  |
Plan's current allocation policy (as a percent) | 40.00% |

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- Definition Represents the percentage change in funding level to change target plan assets allocation under the defined benefit plan. + References No definition available. + Details
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- Definition Represents the percentage change in assets allocation from return seeking to liability hedging due to change in funding level under the defined benefit plan. + References No definition available. + Details
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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 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 Reference 2: 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=28361610&loc=d3e2446-114920 + Details
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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=28361610&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=28361610&loc=d3e1928-114920 + Details
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