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Retirement and Other Postretirement Benefit Plans - Schedule of Amounts Recognized on Balance Sheet (Details) - USD ($) $ in Millions | Mar. 31, 2018 | Dec. 31, 2017 | Mar. 31, 2017
--- | --- | --- | ---
Defined Benefit Retirement Plans | U.S. |  |  |
Amounts recognized on the balance sheet: |  |  |
Accrued liabilities | $ 4.8 | $ 4.5 |
Other non-current liabilities | 17.1 | 16.9 |
Total accrued benefit | $ 21.9 | $ 21.4 |
Defined Benefit Plan, Tax Status [Extensible List] | us-gaap:NonqualifiedPlanMember | us-gaap:NonqualifiedPlanMember | us-gaap:NonqualifiedPlanMember
Defined Benefit Retirement Plans | European |  |  |
Amounts recognized on the balance sheet: |  |  |
Noncurrent asset | $ 36.6 | $ 32.2 |
Accrued liabilities | 1.1 | 0.3 |
Other non-current liabilities | 21.7 | 19.6 |
Total accrued benefit | 22.8 | 19.9 |
Postretirement Health Care and Life Insurance Benefit Plans |  |  |
Amounts recognized on the balance sheet: |  |  |
Accrued liabilities | 0.5 | 0.5 |
Other non-current liabilities | 3.9 | 3.6 |
Total accrued benefit | $ 4.4 | $ 4.1 |

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- Definition Amount of asset, recognized in statement of financial position, for overfunded defined benefit pension and other postretirement 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 (c) -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 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64852052&loc=d3e1731-114919 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(17)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64852052&loc=d3e1703-114919 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(10)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(10)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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