v3.8.0.1

Pension Plans (Tables) | 12 Months Ended
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Dec. 31, 2017
Compensation and Retirement Disclosure [Abstract] |
Schedule of the Funded Status of the Non-U.S. Plans | The following sets forth the funded status of our plans as of the most recent actuarial valuations using measurement dates of December 31 ($ in millions):
| U.S. Pension Benefits |  | Non-U.S. Pension Benefits
| 2017 |  | 2017 |  | 2016
Change in pension benefit obligation: |  |  |  |  |
Benefit obligation at beginning of year | $ | — |  |  | $ | 335.4 |  |  | $ | 326.9 |
Service cost | — |  |  | 4.0 |  |  | 3.5 |
Interest cost | 0.3 |  |  | 5.9 |  |  | 7.4 |
Employee contributions | — |  |  | 1.5 |  |  | 1.5 |
Benefits paid and other | (0.2 | ) |  | (11.1 | ) |  | (12.8 | )
Plan combinations/acquisitions | 33.1 |  |  | 1.5 |  |  | 2.8 |
Actuarial loss (gain) | 0.5 |  |  | (10.7 | ) |  | 32.2 |
Amendments, settlements and curtailments | — |  |  | (17.6 | ) |  | (1.6 | )
Foreign exchange rate impact | — |  |  | 36.0 |  |  | (24.5 | )
Benefit obligation at end of year | 33.7 |  |  | 344.9 |  |  | 335.4 |
Change in plan assets: |  |  |  |  |
Fair value of plan assets at beginning of year | — |  |  | 198.1 |  |  | 196.7 |
Actual return on plan assets | 0.5 |  |  | (9.4 | ) |  | 17.9 |
Employer contributions | — |  |  | 10.6 |  |  | 10.7 |
Employee contributions | — |  |  | 1.5 |  |  | 1.5 |
Amendments and settlements | — |  |  | (5.1 | ) |  | (0.5 | )
Benefits paid and other | (0.2 | ) |  | (11.1 | ) |  | (12.8 | )
Plan combinations/acquisitions | 25.5 |  |  | 0.9 |  |  | 1.8 |
Foreign exchange rate impact | — |  |  | 19.7 |  |  | (17.2 | )
Fair value of plan assets at end of year | 25.8 |  |  | 205.2 |  |  | 198.1 |
Funded status | $ | (7.9 | ) |  | $ | (139.7 | ) |  | $ | (137.3 | )
Schedule of Weighted Average Assumptions Used | Weighted average assumptions used to determine net periodic pension cost at date of measurement
| U.S. Pension Plans |  | Non-U.S. Pension Plans
| 2017 |  | 2017 |  | 2016
Discount rate | 3.83 | % |  | 1.91 | % |  | 2.63 | %
Expected return on plan assets | 5.75 | % |  | 3.58 | % |  | 4.19 | %
Rate of compensation increase | N/A |  |  | 2.89 | % |  | 2.77 | %
Weighted average assumptions used to determine benefit obligations at date of measurement
| U.S. Pension Plans |  | Non-U.S. Pension Plans
| 2017 |  | 2017 |  | 2016
Discount rate | 3.73 | % |  | 1.96 | % |  | 1.91 | %
Rate of compensation increase | N/A |  |  | 2.31 | % |  | 2.89 | %
Schedule of Net Periodic Pension Costs | Components of net periodic pension cost
| U.S. Pension Benefits |  | Non-U.S. Pension Benefits
($ in millions) | 2017 |  | 2017 |  | 2016
Service cost | $ | — |  |  | $ | 4.0 |  |  | $ | 3.5 |
Interest cost | 0.3 |  |  | 5.9 |  |  | 7.4 |
Expected return on plan assets | (0.3 | ) |  | (7.4 | ) |  | (8.1 | )
Amortization of net loss | — |  |  | 4.6 |  |  | 5.3 |
Net curtailment and settlement loss recognized | — |  |  | 0.9 |  |  | 0.2 |
Net periodic pension cost | $ | — |  |  | $ | 8.0 |  |  | $ | 8.3 |
Schedule of Fair Value of Pension Plan Assets | The fair values of our pension plan assets as of December 31, 2017, by asset category were as follows ($ in millions):
| Quoted Prices in Active Market (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3) |  | Total
Cash and equivalents | $ | 5.6 |  |  | $ | — |  |  | $ | — |  |  | $ | 5.6 |
Fixed income securities: |  |  |  |  |  |  |
Corporate bonds | — |  |  | 0.3 |  |  | — |  |  | 0.3 |
Mutual funds | — |  |  | 9.7 |  |  | — |  |  | 9.7 |
Insurance contracts | — |  |  | 1.8 |  |  | — |  |  | 1.8 |
Total | $ | 5.6 |  |  | $ | 11.8 |  |  | $ | — |  |  | $ | 17.4 |
Investments measured at NAV(a): |  |  |  |  |  |  |
Mutual funds |  |  |  |  |  |  | 211.7 |
Other private investments |  |  |  |  |  |  | 1.9 |
Total assets at fair value |  |  |  |  |  |  | $ | 231.0 |
(a) The fair value amounts presented in the table above are intended to permit reconciliation of the fair value hierarchy to the total fair value of plan assets.
The fair values of our pension plan assets as of December 31, 2016, by asset category were as follows ($ in millions):
| Quoted Prices in Active Market (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3) |  | Total
Cash and equivalents | $ | 4.4 |  |  | $ | — |  |  | $ | — |  |  | $ | 4.4 |
Fixed income securities: |  |  |  |  |  |  |
Corporate bonds | — |  |  | 0.3 |  |  | — |  |  | 0.3 |
Mutual funds | — |  |  | 7.7 |  |  | — |  |  | 7.7 |
Insurance contracts | — |  |  | 1.4 |  |  | — |  |  | 1.4 |
Total | $ | 4.4 |  |  | $ | 9.4 |  |  | $ | — |  |  | $ | 13.8 |
Investments measured at NAV(a): |  |  |  |  |  |  |
Mutual funds |  |  |  |  |  |  | 179.8 |
Other private investments |  |  |  |  |  |  | 4.5 |
Total assets at fair value |  |  |  |  |  |  | $ | 198.1 |
(a) The fair value amounts presented in the table above are intended to permit reconciliation of the fair value hierarchy to the total fair value of plan assets.
Schedule of Expected Benefit Payments | The following sets forth benefit payments to participants, which reflect expected future service, as appropriate, expected to be paid by the plans in the periods indicated ($ in millions):
| U.S. Pension Plans |  | Non-U.S. Pension Plans |  | All Pension Plans
2018 | $ | 1.1 |  |  | $ | 13.2 |  |  | $ | 14.3 |
2019 | 1.3 |  |  | 13.1 |  |  | 14.4 |
2020 | 1.3 |  |  | 14.0 |  |  | 15.3 |
2021 | 1.5 |  |  | 13.9 |  |  | 15.4 |
2022 | 1.6 |  |  | 15.7 |  |  | 17.3 |
2023-2027 | 9.0 |  |  | 73.5 |  |  | 82.5 |

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- Definition Tabular disclosure of the major categories of plan assets of pension plans and/or other employee benefit plans. This information may include, but is not limited to, the target allocation of plan assets, the fair value of each major category of plan assets, and the level within the fair value hierarchy in which the fair value measurements fall. + 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) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the assumptions used to determine for pension plans and/or other employee benefit plans the benefit obligation and net benefit cost, including assumed discount rates, rate increase in compensation increase, and expected long-term rates of return on 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 (k) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the aggregate benefit obligation and aggregate fair value of plan assets for pension plans and/or other employee benefit plans with benefit obligations in excess of plan assets as of the measurement date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e2417-114920 + Details
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- Definition Tabular disclosure of benefits expected to be paid by pension plans and/or other employee benefit plans in each of the next five fiscal years and in the aggregate for the five fiscal years thereafter. + 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=65897934&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://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=65897934&loc=d3e1928-114920 + Details
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