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Pension Plans (Details 2) (USD $) | 12 Months Ended
--- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2012
Pension plans. |  |  |
Amount, net of applicable deferred income taxes, included in other comprehensive income arising from a change in net prior service cost and net gain/loss | $ 24,161,000 | $ 14,582,000 | $ 41,778,000
Pension Plan, Defined Benefit [Member] |  |  |
Pension plans. |  |  |
Amount, net of applicable deferred income taxes, included in other comprehensive income arising from a change in net prior service cost and net gain/loss | 7,600,000 | 2,600,000 | 9,000,000
United States Pension Plan of US Entity, Defined Benefit [Member] |  |  |
Pension plans. |  |  |
Interest cost on projected benefit obligation | 7,800,000 | 6,600,000 | 7,700,000
Expected return on plan assets | (8,600,000) | (8,500,000) | (8,400,000)
Amortization of net loss | 4,000,000 | 4,300,000 | 3,100,000
Net periodic cost | 3,200,000 | 2,400,000 | 2,400,000
Amounts included in accumulated other comprehensive loss that are expected to be recognized as components of net periodic benefit cost during the next fiscal year |  |  |
Amortization of net actuarial losses | (4,300,000) |  |
Total | (4,300,000) |  |
Additional year-end information for pension plans with accumulated benefit obligations in excess of plan assets |  |  |
Projected benefit obligation | 217,000,000 | 180,300,000 | 192,900,000
Accumulated benefit obligation | 217,000,000 | 180,300,000 | 192,900,000
Fair values of plan assets | 139,700,000 | 119,800,000 | 112,300,000
Expected employer contributions in next fiscal year | 5,400,000 |  |
Expected future benefit payments |  |  |
2015 | 12,200,000 |  |
2016 | 14,900,000 |  |
2017 | 13,400,000 |  |
2018 | 12,900,000 |  |
2019 | 13,400,000 |  |
2020-2024 | 68,300,000 |  |
Total | 135,100,000 |  |
Weighted-average assumptions to determine benefit obligation: |  |  |
Discount rate (as a percent) | 4.00% | 4.40% | 3.50%
Weighted-average assumptions to determine net periodic benefit cost: |  |  |
Discount rate (as a percent) | 4.40% | 3.50% | 4.65%
Expected long-term rate of return on plan assets (as a percent) | 7.50% | 7.50% | 7.50%
Target Allocations by Asset Category |  |  |
Target Allocations by Asset Category (as a percent) | 100.00% |  |
Percentage of Plan Assets by Asset Category |  |  |
Plan Assets by Asset Category (as a percent) | 100.00% | 100.00% |
United States Pension Plan of US Entity, Defined Benefit [Member] | Equity Securities [Member] |  |  |
Target Allocations by Asset Category |  |  |
Target Allocations by Asset Category (as a percent) | 45.00% |  |
Percentage of Plan Assets by Asset Category |  |  |
Plan Assets by Asset Category (as a percent) | 58.00% | 49.00% |
United States Pension Plan of US Entity, Defined Benefit [Member] | Debt Securities [Member] |  |  |
Target Allocations by Asset Category |  |  |
Target Allocations by Asset Category (as a percent) | 42.00% |  |
Percentage of Plan Assets by Asset Category |  |  |
Plan Assets by Asset Category (as a percent) | 31.00% | 34.00% |
United States Pension Plan of US Entity, Defined Benefit [Member] | Cash and Cash Equivalents [Member] |  |  |
Target Allocations by Asset Category |  |  |
Target Allocations by Asset Category (as a percent) | 3.00% |  |
Percentage of Plan Assets by Asset Category |  |  |
Plan Assets by Asset Category (as a percent) | 1.00% | 1.00% |
United States Pension Plan of US Entity, Defined Benefit [Member] | Property and Other [Member] |  |  |
Target Allocations by Asset Category |  |  |
Target Allocations by Asset Category (as a percent) | 10.00% |  |
Percentage of Plan Assets by Asset Category |  |  |
Plan Assets by Asset Category (as a percent) | 10.00% | 16.00% |
Foreign Pension Plan, Defined Benefit [Member] |  |  |
Pension plans. |  |  |
Service costs | 700,000 | 900,000 | 1,100,000
Interest cost on projected benefit obligation | 27,900,000 | 23,800,000 | 25,600,000
Expected return on plan assets | (26,100,000) | (22,700,000) | (25,300,000)
Amortization of prior service costs | (200,000) | (200,000) | (200,000)
Amortization of net loss | 4,900,000 | 4,000,000 | 2,300,000
Settlement loss recognized | 400,000 | 2,600,000 | 500,000
Net periodic cost | 7,600,000 | 8,500,000 | 4,000,000
Amounts included in accumulated other comprehensive loss that are expected to be recognized as components of net periodic benefit cost during the next fiscal year |  |  |
Amortization of prior service credit | (200,000) | (200,000) | (200,000)
Amortization of net actuarial losses | (6,200,000) |  |
Total | (6,000,000) |  |
Additional year-end information for pension plans with accumulated benefit obligations in excess of plan assets |  |  |
Projected benefit obligation | 658,500,000 | 601,700,000 | 574,000,000
Accumulated benefit obligation | 656,300,000 | 599,800,000 | 570,600,000
Fair values of plan assets | 513,400,000 | 469,000,000 | 462,400,000
Expected employer contributions in next fiscal year | 17,000,000 |  |
Expected future benefit payments |  |  |
2015 | 26,500,000 |  |
2016 | 21,900,000 |  |
2017 | 26,300,000 |  |
2018 | 29,100,000 |  |
2019 | 25,800,000 |  |
2020-2024 | 153,300,000 |  |
Total | $ 282,900,000 |  |
Weighted-average assumptions to determine benefit obligation: |  |  |
Discount rate (as a percent) | 3.94% | 4.44% | 4.39%
Salary increase rate (as a percent) | 2.38% | 2.58% | 2.36%
Weighted-average assumptions to determine net periodic benefit cost: |  |  |
Discount rate (as a percent) | 4.44% | 4.39% | 5.12%
Salary increase rate (as a percent) | 2.58% | 2.36% | 2.65%
Expected long-term rate of return on plan assets (as a percent) | 5.40% | 5.11% | 5.65%
Target Allocations by Asset Category |  |  |
Target Allocations by Asset Category (as a percent) | 100.00% |  |
Percentage of Plan Assets by Asset Category |  |  |
Plan Assets by Asset Category (as a percent) | 100.00% | 100.00% |
Foreign Pension Plan, Defined Benefit [Member] | Equity Securities [Member] |  |  |
Target Allocations by Asset Category |  |  |
Target Allocations by Asset Category (as a percent) | 1.00% |  |
Percentage of Plan Assets by Asset Category |  |  |
Plan Assets by Asset Category (as a percent) | 28.00% | 28.00% |
Foreign Pension Plan, Defined Benefit [Member] | Debt Securities [Member] |  |  |
Target Allocations by Asset Category |  |  |
Target Allocations by Asset Category (as a percent) | 47.00% |  |
Percentage of Plan Assets by Asset Category |  |  |
Plan Assets by Asset Category (as a percent) | 33.00% | 37.00% |
Foreign Pension Plan, Defined Benefit [Member] | Cash and Cash Equivalents [Member] |  |  |
Target Allocations by Asset Category |  |  |
Target Allocations by Asset Category (as a percent) | 1.00% |  |
Percentage of Plan Assets by Asset Category |  |  |
Plan Assets by Asset Category (as a percent) | 3.00% | 4.00% |
Foreign Pension Plan, Defined Benefit [Member] | Property and Other [Member] |  |  |
Target Allocations by Asset Category |  |  |
Target Allocations by Asset Category (as a percent) | 51.00% |  |
Percentage of Plan Assets by Asset Category |  |  |
Plan Assets by Asset Category (as a percent) | 36.00% | 31.00% |

X
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- Definition Amount included in accumulated other comprehensive income (AOCI) expected to be recognized as components of net periodic benefit cost for the fiscal year that follows the most recent annual statement of financial position, including gain (loss), prior service cost (credit), and transition asset (obligation). + References No definition available. + Details
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- Definition The interest rate used to adjust for the time value of money for the plan. + 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 (k)(1) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Definition Expected rate of compensation increases (for pay-related plans). + 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 (k)(2) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Definition An assumption as to the rate of return on plan assets reflecting the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the benefit obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Glossary Expected Long-Term Rate of Return on Plan Assets -URI http://asc.fasb.org/extlink&oid=6512013 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(3) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Definition Expected rate of compensation increases (for pay-related plans). + 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 (k)(2) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Definition Amount of benefits expected to be paid in the five fiscal years after the fifth fiscal year following the latest fiscal year from a defined benefit plan. + 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 (f) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Definition Amount of benefits expected to be paid in the fourth fiscal year following the latest fiscal year from a defined benefit plan. + 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 (f) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Definition Amount of benefits expected to be paid in the second fiscal year following the latest fiscal year from a defined benefit plan. + 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 (f) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Definition An amount calculated as a basis for determining the extent of delayed recognition of the effects of changes in the fair value of assets. The expected return on plan assets is determined based on the expected long-term rate of return on plan assets and the market-related value of plan assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Glossary Expected Return on Plan Assets -URI http://asc.fasb.org/extlink&oid=6512136 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 60 -Glossary Expected Return on Plan Assets -URI http://asc.fasb.org/extlink&oid=6512171 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(3) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Definition Amount included in accumulated other comprehensive income (AOCI) related to gain (loss) expected to be recognized as components of net periodic benefit cost for the fiscal year that follows the most recent annual statement of financial position. + References No definition available. + Details
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- Definition Amount included in accumulated other comprehensive income (AOCI) related to prior service cost (credit) expected to be recognized as components of net periodic benefit cost for the fiscal year that follows the most recent annual statement of financial position. + References No definition available. + Details
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- Definition The increase in a defined benefit pension plan's projected benefit obligation or a defined benefit postretirement plan's accumulated postretirement benefit obligation due to the passage of time. + 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 (h)(2) -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 20 -Section 50 -Paragraph 1 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Definition The total amount of net periodic benefit cost for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments. + 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 (h) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Definition If aggregate disclosures are presented, the aggregate pension accumulated benefit obligation for pension plans with accumulated benefit obligations in excess of plan assets as of the measurement date of each statement of financial position presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=32704760&loc=d3e4179-114921 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e2417-114920 + Details
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- Definition If aggregate disclosures are presented, the aggregate fair value of plan assets for pension plans with accumulated benefit obligations in excess of plan assets as of the measurement date of each statement of financial position presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=32704760&loc=d3e4179-114921 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e2417-114920 + Details
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- Definition If aggregate disclosures are presented, the aggregate projected benefit obligation for pension plans with accumulated benefit obligations in excess of plan assets as of the measurement date of each statement of financial position presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=32704760&loc=d3e4179-114921 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e2417-114920 + Details
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- Definition Amount of net gain (loss) recognized in net periodic benefit cost as a result of an irrevocable action that relieves the employer (or the plan) of primary responsibility for a benefit obligation and eliminates significant risks related to the obligation and the assets used to effect the settlement. Examples of transactions that constitute a settlement include, but are not limited to, lump-sum cash payments to plan participants in exchange for their rights to receive specified benefits and purchasing nonparticipating annuity contracts to cover vested benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Section 15 -Paragraph 6 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=7577095&loc=d3e8001-114927 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(7) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Definition The actuarial present value of benefits attributed by the pension benefit formula to services rendered by employees during the period. The portion of the expected postretirement benefit obligation attributed to employee service during the period. The service cost component is a portion of the benefit obligation and is unaffected by the funded status of the plan. + 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 (h)(1) -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 -Glossary Service Cost (Component of Net Periodic Pension Cost) -URI http://asc.fasb.org/extlink&oid=6525008 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Definition Percentage of fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of plan assets held. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e2446-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Definition Amount after tax and reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (i-k) -URI http://asc.fasb.org/extlink&oid=28358780&loc=SL7669646-108580 + Details
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