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Pension and Other Postretirement Benefits (Details 9) (USD $) In Millions, unless otherwise specified | Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2012
--- | --- | --- | ---
Pension Plans |  |  |
Pension and Other Postretirement Benefit Disclosures |  |  |
Fair value of pension plan assets | $ 1,024.4 | $ 930.2 | $ 770.9
Pension Plans | Short-term investments |  |  |
Pension and Other Postretirement Benefit Disclosures |  |  |
Fair value of pension plan assets | 15.3 | 13.7 |
Pension Plans | Domestic and international equities |  |  |
Pension and Other Postretirement Benefit Disclosures |  |  |
Fair value of pension plan assets | 142.1 | 281.8 |
Pension Plans | Commingled funds |  |  |
Pension and Other Postretirement Benefit Disclosures |  |  |
Fair value of pension plan assets | 406.1 | 216.5 |
Pension Plans | Limited partnerships |  |  |
Pension and Other Postretirement Benefit Disclosures |  |  |
Fair value of pension plan assets | 52.0 | 137.9 |
Pension Plans | Government agency bonds |  |  |
Pension and Other Postretirement Benefit Disclosures |  |  |
Fair value of pension plan assets | 134.6 | 109.8 |
Pension Plans | Corporate bonds |  |  |
Pension and Other Postretirement Benefit Disclosures |  |  |
Fair value of pension plan assets | 248.1 | 149.8 |
Pension Plans | Mutual funds |  |  |
Pension and Other Postretirement Benefit Disclosures |  |  |
Fair value of pension plan assets | 2.9 | 2.5 |
Pension Plans | Mortgage/ asset backed securities and other |  |  |
Pension and Other Postretirement Benefit Disclosures |  |  |
Fair value of pension plan assets | 23.3 | 18.2 |
Pension Plans | Level 1 |  |  |
Pension and Other Postretirement Benefit Disclosures |  |  |
Fair value of pension plan assets | 214.5 | 344.3 |
Pension Plans | Level 1 | Domestic and international equities |  |  |
Pension and Other Postretirement Benefit Disclosures |  |  |
Fair value of pension plan assets | 142.1 | 281.8 |
Pension Plans | Level 1 | Commingled funds |  |  |
Pension and Other Postretirement Benefit Disclosures |  |  |
Fair value of pension plan assets | 64.7 | 52.1 |
Pension Plans | Level 1 | Government agency bonds |  |  |
Pension and Other Postretirement Benefit Disclosures |  |  |
Fair value of pension plan assets | 4.8 | 7.9 |
Pension Plans | Level 1 | Mutual funds |  |  |
Pension and Other Postretirement Benefit Disclosures |  |  |
Fair value of pension plan assets | 2.9 | 2.5 |
Pension Plans | Level 2 |  |  |
Pension and Other Postretirement Benefit Disclosures |  |  |
Fair value of pension plan assets | 809.9 | 585.9 |
Pension Plans | Level 2 | Short-term investments |  |  |
Pension and Other Postretirement Benefit Disclosures |  |  |
Fair value of pension plan assets | 15.3 | 13.7 |
Pension Plans | Level 2 | Commingled funds |  |  |
Pension and Other Postretirement Benefit Disclosures |  |  |
Fair value of pension plan assets | 341.4 | 164.4 |
Pension Plans | Level 2 | Limited partnerships |  |  |
Pension and Other Postretirement Benefit Disclosures |  |  |
Fair value of pension plan assets | 52.0 | 137.9 |
Pension Plans | Level 2 | Government agency bonds |  |  |
Pension and Other Postretirement Benefit Disclosures |  |  |
Fair value of pension plan assets | 129.8 | 101.9 |
Pension Plans | Level 2 | Corporate bonds |  |  |
Pension and Other Postretirement Benefit Disclosures |  |  |
Fair value of pension plan assets | 248.1 | 149.8 |
Pension Plans | Level 2 | Mortgage/ asset backed securities and other |  |  |
Pension and Other Postretirement Benefit Disclosures |  |  |
Fair value of pension plan assets | 23.3 | 18.2 |
Other Postretirement Plans |  |  |
Pension and Other Postretirement Benefit Disclosures |  |  |
Fair value of pension plan assets | 106.5 | 93.2 | 85.3
Other Postretirement Plans | Short-term investments |  |  |
Pension and Other Postretirement Benefit Disclosures |  |  |
Fair value of pension plan assets | 17.2 | 14.2 |
Other Postretirement Plans | Commingled funds |  |  |
Pension and Other Postretirement Benefit Disclosures |  |  |
Fair value of pension plan assets | 61.2 | 51.4 |
Other Postretirement Plans | Government agency bonds |  |  |
Pension and Other Postretirement Benefit Disclosures |  |  |
Fair value of pension plan assets | 18.6 | 15.9 |
Other Postretirement Plans | Corporate bonds |  |  |
Pension and Other Postretirement Benefit Disclosures |  |  |
Fair value of pension plan assets | 6.8 | 7.5 |
Other Postretirement Plans | Mortgage/ asset backed securities and other |  |  |
Pension and Other Postretirement Benefit Disclosures |  |  |
Fair value of pension plan assets | 2.7 | 4.2 |
Other Postretirement Plans | Level 2 |  |  |
Pension and Other Postretirement Benefit Disclosures |  |  |
Fair value of pension plan assets | 106.5 | 93.2 |
Other Postretirement Plans | Level 2 | Short-term investments |  |  |
Pension and Other Postretirement Benefit Disclosures |  |  |
Fair value of pension plan assets | 17.2 | 14.2 |
Other Postretirement Plans | Level 2 | Commingled funds |  |  |
Pension and Other Postretirement Benefit Disclosures |  |  |
Fair value of pension plan assets | 61.2 | 51.4 |
Other Postretirement Plans | Level 2 | Government agency bonds |  |  |
Pension and Other Postretirement Benefit Disclosures |  |  |
Fair value of pension plan assets | 18.6 | 15.9 |
Other Postretirement Plans | Level 2 | Corporate bonds |  |  |
Pension and Other Postretirement Benefit Disclosures |  |  |
Fair value of pension plan assets | 6.8 | 7.5 |
Other Postretirement Plans | Level 2 | Mortgage/ asset backed securities and other |  |  |
Pension and Other Postretirement Benefit Disclosures |  |  |
Fair value of pension plan assets | $ 2.7 | $ 4.2 |

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- Definition Assets, usually stocks, bonds, and other investments, that have been segregated and restricted (usually in a trust) to provide benefits, at their fair value as of the measurement date. Plan assets include amounts contributed by the employer (and by employees for a contributory plan) and amounts earned from investing the contributions, less benefits paid. If a plan has liabilities other than for benefits, those non-benefit obligations may be considered as reductions of 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 (b) -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 30 -Section 35 -Paragraph 50 -URI http://asc.fasb.org/extlink&oid=29635418&loc=d3e12355-114930 + Details
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