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Retirement Plans (Effect of One-Percentage-Point Change in Assumptions) (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended
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Sep. 30, 2014
Discount Rate [Member] |
Effects of One-Percentage-Point Change in Assumptions [Line Items] |
Effect on service and interest cost components, 1 percentage point increase | $ (0.1)
Effect on service and interest cost components, 1 percentage point decrease | 0.7
Effect on benefit obligation, 1 percentage point increase | (50.3)
Effect on benefit obligation, 1 percentage point decrease | 61.8
Effect on 2014 expense, 1 percentage point increase | (0.5)
Effect on 2014 expense, 1 percentage point decrease | 0.5
Expected Return on Plan Assets [Member] |
Effects of One-Percentage-Point Change in Assumptions [Line Items] |
Effect on 2014 expense, 1 percentage point increase | (4.0)
Effect on 2014 expense, 1 percentage point decrease | $ 4.0

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- Definition Defined Benefit Plan, Effect of One Percentage Point Decrease on Pension Expense + References No definition available. + Details
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- Definition Defined Benefit Plan, Effect of One Percentage Point Increase on Pension Expense + References No definition available. + Details
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- Details
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- Definition Amount of effect of a one-percentage-point decrease in the assumed health care cost trend rates on the accumulated postretirement benefit obligation for health care benefits. + 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 (m) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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- Definition Amount of effect of a one-percentage-point decrease in the assumed health care cost trend rates on the aggregate of the service and interest cost components of net periodic postretirement health care benefit costs. + 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 (m) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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- Definition The effect of a one-percentage-point increase in the assumed health care cost trend rates on the accumulated postretirement benefit obligation for health care benefits. + 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 (m) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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- Definition The effect of a one-percentage-point increase in the assumed health care cost trend rates on the aggregate of the service and interest cost components of net periodic postretirement health care benefit costs. + 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 (m) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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