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Pension Benefit Obligations (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
United States |  |
Components of net periodic (benefit) cost: |  |
Service costs |  | $ 1.2
Interest cost on projected benefit obligation | $ 5.9 | 5.2
Expected return on plan assets | (6.8) | (7.9)
Amortization of net loss | 0.9 | 1.0
Net periodic (benefit) cost |  | (0.5)
Change in benefit obligation: |  |
Employer contributions | 2.5 |
Expected remaining scheduled annual employer contributions for the current fiscal year | 11.8 |
Foreign Pension Plan, Defined Benefit |  |
Components of net periodic (benefit) cost: |  |
Service costs | 0.1 | 0.3
Interest cost on projected benefit obligation | 7.4 | 7.9
Expected return on plan assets | (9.5) | (10.7)
Amortization of net loss | 1.0 | 2.0
Settlement loss recognized | 0.1 | 0.1
Net periodic (benefit) cost | (0.9) | $ (0.4)
Change in benefit obligation: |  |
Employer contributions | 7.9 |
Expected remaining scheduled annual employer contributions for the current fiscal year | $ 19.3 |

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- Definition Amount of contribution received by defined benefit plan from employer which increases plan assets. + 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 (d)(5)(ii) -URI http://asc.fasb.org/extlink&oid=82843861&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 6 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e2709-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(5)(iv)(01) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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