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Pension and Other Postretirement Benefits - Schedule of Reconciliation of Benefit Obligations, Plan Assets and Funded Status of the Plans (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2017
Change in plan assets: |  |  |
Fair value of plan assets at beginning of year |  |  |
Fair value of plan assets at end of year |  |  |
Pension Benefits |  |  |
Change in projected benefit obligation: |  |  |
Projected benefit obligation at beginning of year | 1,264.5 | 1,369.1 |
Service cost | 9.2 | 9.5 | $ 20.5
Interest cost | 53.0 | 52.1 | 50.3
Benefits paid | (88.7) | (89.8) |
Actuarial loss (gains) | 101.3 | (76.6) |
Special termination benefits | 0.0 | 0.2 |
Projected benefit obligation at end of year | 1,339.3 | 1,264.5 | 1,369.1
Change in plan assets: |  |  |
Fair value of plan assets at beginning of year | 972.5 | 987.6 |
Actual return | 72.2 | 64.7 |
Benefits paid | (88.7) | (89.8) |
Contributions | 8.7 | 10.0 |
Fair value of plan assets at end of year | 964.7 | 972.5 | 987.6
Funded status of the plans | (374.6) | (292.0) |
Amounts recognized in the consolidated balance sheets: |  |  |
Other assets - noncurrent | 0.0 | 0.1 |
Accrued liabilities - current | (3.4) | (3.3) |
Accrued pension and postretirement benefits - noncurrent | (371.2) | (288.8) |
Amounts recognized in the consolidated balance sheets | (374.6) | (292.0) |
Other Benefits |  |  |
Change in projected benefit obligation: |  |  |
Projected benefit obligation at beginning of year | 241.5 | 255.1 |
Service cost | 2.3 | 2.6 | 3.6
Interest cost | 10.1 | 9.5 | 9.2
Benefits paid | (12.6) | (13.0) |
Actuarial loss (gains) | 14.5 | (12.7) |
Special termination benefits | 0.0 | 0.0 |
Projected benefit obligation at end of year | 255.8 | 241.5 | 255.1
Change in plan assets: |  |  |
Fair value of plan assets at beginning of year | 117.9 | 117.0 |
Actual return | 10.5 | 10.6 |
Benefits paid | (12.6) | (13.0) |
Contributions | 3.2 | 3.3 |
Fair value of plan assets at end of year | 119.0 | 117.9 | $ 117.0
Funded status of the plans | (136.8) | (123.6) |
Amounts recognized in the consolidated balance sheets: |  |  |
Other assets - noncurrent | 0.0 | 0.0 |
Accrued liabilities - current | (14.7) | (15.4) |
Accrued pension and postretirement benefits - noncurrent | (122.1) | (108.2) |
Amounts recognized in the consolidated balance sheets | $ (136.8) | $ (123.6) |

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- Definition Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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