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v3.19.3

Employee Retirement Plans - Pension Plans (Details) | Sep. 30, 2019 | Sep. 30, 2018
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Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Percentage of common stock represented pension plan assets | 7.70% | 8.50%
Pension Benefits | U.S. |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Actual | 100.00% | 100.00%
Target Asset Allocation | 100.00% |
Pension Benefits | U.S. | Total domestic equity investments |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Actual | 54.80% | 58.20%
Target Asset Allocation | 52.50% |
Pension Benefits | U.S. | Total domestic equity investments | Minimum |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Target Asset Allocation | 40.00% |
Pension Benefits | U.S. | Total domestic equity investments | Maximum |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Target Asset Allocation | 65.00% |
Pension Benefits | U.S. | International index equity mutual funds |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Actual | 11.80% | 11.80%
Target Asset Allocation | 12.50% |
Pension Benefits | U.S. | International index equity mutual funds | Minimum |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Target Asset Allocation | 7.50% |
Pension Benefits | U.S. | International index equity mutual funds | Maximum |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Target Asset Allocation | 17.50% |
Pension Benefits | U.S. | Equity investments |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Actual | 66.60% | 70.00%
Target Asset Allocation | 65.00% |
Pension Benefits | U.S. | Equity investments | Minimum |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Target Asset Allocation | 60.00% |
Pension Benefits | U.S. | Equity investments | Maximum |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Target Asset Allocation | 70.00% |
Pension Benefits | U.S. | Fixed income funds & cash equivalents |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Actual | 33.40% | 30.00%
Target Asset Allocation | 35.00% |
Pension Benefits | U.S. | Fixed income funds & cash equivalents | Minimum |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Target Asset Allocation | 30.00% |
Pension Benefits | U.S. | Fixed income funds & cash equivalents | Maximum |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Target Asset Allocation | 40.00% |
VEBA |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Actual | 100.00% | 100.00%
Target Asset Allocation | 100.00% |
VEBA | Total domestic equity investments |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Actual | 64.90% | 65.60%
Target Asset Allocation | 65.00% |
VEBA | Total domestic equity investments | Minimum |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Target Asset Allocation | 60.00% |
VEBA | Total domestic equity investments | Maximum |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Target Asset Allocation | 70.00% |
VEBA | Equity investments | Minimum |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Target Asset Allocation | 30.00% |
VEBA | Equity investments | Maximum |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Target Asset Allocation | 40.00% |
VEBA | Fixed income funds & cash equivalents |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Actual | 35.10% | 34.40%
Target Asset Allocation | 35.00% |

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- Definition Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=118257860&loc=d3e4179-114921 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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- Definition Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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