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Retirement and Other Postretirement Benefit Plans (Tables) | 6 Months Ended
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Jun. 30, 2018
Defined Benefit Retirement Plans |
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items] |
Schedule of Net Periodic Benefit Costs of Defined Benefit Retirement Plans |
|  | Quarter Ended June 30, |  |  | Six Months Ended June 30, |
(In millions) |  | 2018 |  |  | 2017 |  |  | 2018 |  |  | 2017 |
European Defined Benefit Retirement Plans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Service cost |  | $ | 0.2 |  |  | $ | 0.2 |  |  | $ | 0.5 |  |  | $ | 0.4 |
Interest cost |  | 1.1 |  |  | 1.1 |  |  | 2.2 |  |  | 2.2 |
Expected return on plan assets |  |  | (2.3 | ) |  |  | (2.1 | ) |  |  | (4.7 | ) |  |  | (4.1 | )
Net amortization and deferral |  |  | 0.1 |  |  | 0.1 |  |  | 0.2 |  |  | 0.2 |
Net periodic benefit credit |  | $ | (0.9 | ) |  | $ | (0.7 | ) |  | $ | (1.8 | ) |  | $ | (1.3 | )
Schedule of Amounts Recognized on Balance Sheet |
|  | June 30, 2018 |  |  | December 31, 2017 |
Amounts recognized on the balance sheet: |  |  |  |  |  |  |  |
Noncurrent asset |  | $ | 36.6 |  |  | $ | 32.2 |
Accrued liabilities |  |  | 1.2 |  |  |  | 0.3 |
Other non-current liabilities |  |  | 20.7 |  |  |  | 19.6 |
Total accrued benefit |  | $ | 21.9 |  |  | $ | 19.9 |
Defined Benefit Retirement Plans | Non-qualified |
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items] |
Schedule of Net Periodic Benefit Costs of Defined Benefit Retirement Plans | Net periodic benefit costs of our defined benefit retirement plans for the three and six months ended June 30, 2018 and 2017 were as follows:
|  | Quarter Ended June 30, |  |  | Six Months Ended June 30, |
(In millions) |  | 2018 |  |  | 2017 |  |  | 2018 |  |  | 2017 |
U.S. Nonqualified Defined Benefit Retirement Plans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Service cost |  | $ | 0.3 |  |  | $ | 0.4 |  |  | $ | 0.6 |  |  | $ | 0.7 |
Interest cost |  | 0.2 |  |  | 0.1 |  |  | 0.3 |  |  | 0.3 |
Settlement expense |  | ― |  |  | 0.1 |  |  | ― |  |  | 0.1 |
Net amortization and deferral |  | ― |  |  | 0.1 |  |  | ― |  |  | 0.2 |
Net periodic benefit cost |  | $ | 0.5 |  |  | $ | 0.7 |  |  | $ | 0.9 |  |  | $ | 1.3 |
Schedule of Amounts Recognized on Balance Sheet |
(In millions) |  | June 30, 2018 |  |  | December 31, 2017 |
Amounts recognized on the balance sheet: |  |  |  |  |  |  |  |
Accrued liabilities |  | $ | 4.8 |  |  | $ | 4.5 |
Other non-current liabilities |  |  | 17.4 |  |  | 16.9 |
|  | $ | 22.2 |  |  | $ | 21.4 |
Postretirement Health Care and Life Insurance Benefit Plans |
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items] |
Schedule of Amounts Recognized on Balance Sheet | Net periodic benefit costs of our postretirement health care and life insurance benefit plans for the three and six months ended June 30, 2018 and 2017 were immaterial.
|  | June 30, 2018 |  |  | December 31, 2017 |
Amounts recognized on the balance sheet: |  |  |  |  |  |  |  |
Accrued liabilities |  | $ | 0.5 |  |  | $ | 0.5 |
Other non-current liabilities |  | 3.2 |  |  | 3.6 |
Total accrued benefit |  | $ | 3.7 |  |  | $ | 4.1 |

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Tabular disclosure of the amounts that are recognized in the balance sheet (or statement of financial position) for pension plans and/or other employee benefit plans, showing separately the assets and current and noncurrent liabilities (if applicable) recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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