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Retirement and Other Benefit Plans (Tables) | 12 Months Ended
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Sep. 30, 2015
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
Schedule Of Reconciliation Of Benefit Obligation |
(Dollars in millions) |  |  |  |  |
Reconciliation of benefit obligation |  | 2015 |  | 2014 |
Net benefit obligation at beginning of year |  | $ | 92.5 |  |  | 87.2 |
Interest cost |  |  | 3.8 |  |  | 4.0 |
Actuarial (gain) loss |  |  | 4.5 |  |  | 5.1 |
Gross benefits paid |  |  | (7.2) |  |  | (3.8) |
Net benefit obligation at end of year |  | $ | 93.6 |  |  | 92.5 |
Schedule Of Reconciliation Of Fair Value Of Plan Assets |
(Dollars in millions) |  |  |  |  |
Reconciliation of fair value of plan assets |  | 2015 |  | 2014 |
Fair value of plan assets at beginning of year |  | $ | 73.0 |  |  | 67.9 |
Actual return on plan assets |  |  | (3.7) |  |  | 5.9 |
Employer contributions |  |  | 0.9 |  |  | 3.0 |
Gross benefits paid |  |  | (7.2) |  |  | (3.8) |
Fair value of plan assets at end of year |  | $ | 63.0 |  |  | 73.0 |
Schedule Of Funded Status |
(Dollars in millions) |  |  |  |  |
Funded Status |  | 2015 |  | 2014 |
Funded status at end of year |  | $ | (30.6) |  |  | (19.5) |
Accrued benefit cost |  |  | (30.6) |  |  | (19.5) |
Amounts recognized in the Balance Sheet consist of: |  |  |  |  |  |  |
Current liability |  |  | (0.2) |  |  | (0.3) |
Noncurrent liability |  |  | (30.4) |  |  | (19.2) |
Accumulated other comprehensive (income)/loss (before tax effect) |  |  | 47.6 |  |  | 36.7 |
Amounts recognized in Accumulated Other Comprehensive (Income)/Loss consist of: |  |  |  |  |  |  |
Net actuarial loss |  |  | 47.6 |  |  | 36.7 |
Accumulated Other Comprehensive (Income)/Loss (before tax effect) |  | $ | 47.6 |  |  | 36.7 |
Schedule Of Components Of Net Periodic Benefit Cost For Plans | The following table provides the components of net periodic benefit cost for the plans for 2015, 2014 and 2013:
(Dollars in millions) |  | 2015 |  | 2014 |  | 2013 |
Service cost |  | $ | — |  |  | — |  |  | 0.1 |
Interest cost |  |  | 3.8 |  |  | 4.0 |  |  | 3.6 |
Expected return on plan assets |  |  | (4.5) |  |  | (4.4) |  |  | (4.4) |
Net actuarial loss |  |  | 1.8 |  |  | 1.6 |  |  | 2.1 |
Settlement gain |  |  | — |  |  | — |  |  | (0.1) |
Net periodic benefit cost |  |  | 1.1 |  |  | 1.2 |  |  | 1.3 |
Defined contribution plans |  |  | 3.4 |  |  | 3.3 |  |  | 4.6 |
Total |  | $ | 4.5 |  |  | 4.5 |  |  | 5.9 |
Schedule Of Asset Allocation For Pension Plans Acceptable Range And Target Allocation By Asset Category | The asset allocation for the Company’s pension plans at the end of 2015 and 2014, the Company’s acceptable range and the target allocation for 2016, by asset category, follows:
|  | Target |  |  |  |  |  | Percentage of Plan Assets |
|  | Allocation |  |  | Acceptable |  | at Year-end |
Asset Category |  | 2016 |  |  | Range |  | 2015 |  | 2014 |
Equity securities |  |  | 60 | % |  |  | 55-65 | % |  | 62 | % |  | 35 | %
Fixed income |  |  | 40 | % |  |  | 35-45 | % |  | 37 | % |  | 64 | %
Cash/cash equivalents |  |  | 0 | % |  |  | 0-5 | % |  | 1 | % |  | 1 | %
Schedule Of Fair Value Of Financial Measurements | The fair values of the Company’s defined benefit plan investments as of September 30, 2015 and 2014, by asset category, were as follows:
(Dollars in millions) |  | 2015 |  | 2014 |
Investments at fair value: |  |  |  |  |  |  |
Cash and cash equivalents |  | $ | 0.8 |  |  | 0.8 |
Common and preferred stock funds: |  |  |  |  |  |  |
Domestic large capitalization |  |  | 9.9 |  |  | 5.8 |
Domestic small/mid capitalization |  |  | 3.3 |  |  | 6.8 |
International funds |  |  | 13.5 |  |  | 10.5 |
Fixed income funds |  |  | 31.1 |  |  | 46.8 |
Real estate investment funds |  |  | 4.4 |  |  | 2.3 |
Total investments at fair value |  | $ | 63.0 |  |  | 73.0 |
Schedule Of Expected Benefit Payments | Information about the expected cash flows for the pension and other postretirement benefit plans follows:
|  | Pension |  | Other |
(Dollars in millions) |  | Benefits |  | Benefits |
Expected Employer Contributions — 2016 |  | $ | — |  |  | 0.1 |
Expected Benefit Payments: |  |  |  |  |  |  |
2016 |  |  | 4.9 |  |  | 0.1 |
2017 |  |  | 4.9 |  |  | 0.1 |
2018 |  |  | 5.0 |  |  | 0.1 |
2019 |  |  | 5.2 |  |  | 0.1 |
2020 |  |  | 5.8 |  |  | 0.1 |
2021-2025 |  | $ | 29.3 |  |  | 0.4 |
Net Periodic Benefit Cost [Member] |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
Schedule Of Weighted-Average Assumptions Used To Determine The Net Periodic Benefit Cost For Pension Plans | The following weighted-average assumptions were used to determine the net periodic benefit cost for the pension plans:
|  | 2015 |  |  | 2014 |  |  | 2013 |
Discount rate |  |  | 4.25 | % |  |  | 4.75 | % |  |  | 3.75 | %
Rate of increase in compensation levels |  |  | N/A |  |  |  | N/A |  |  |  | N/A |
Expected long-term rate of return on assets |  |  | 6.75 | % |  |  | 7.00 | % |  |  | 7.50 | %
Net Periodic Benefit Obligations [Member] |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
Schedule Of Weighted-Average Assumptions Used To Determine The Net Periodic Benefit Cost For Pension Plans | The following weighted-average assumptions were used to determine the net periodic benefit obligations for the pension plans:
|  | 2015 |  |  | 2014 |
Discount rate |  |  | 4.25 | % |  |  | 4.25 | %
Rate of increase in compensation levels |  |  | N/A |  |  |  | N/A |

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