Retirement Benefits Plans - Pension Plans Assumptions (Details 7) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| United States pension plans [Member] | |||
| Assumptions used to determine benefit obligation at year-end | |||
| Discount rate | 4.22% | 3.97% | 4.67% |
| Rate of compensation increase | 3.18% | 3.16% | 3.16% |
| Assumptions used to determine expense | |||
| Discount rate | 3.97% | 4.67% | 3.97% |
| Expected long-term return on plan assets | 8.50% | 8.40% | 8.45% |
| Rate of compensation increase | 3.16% | 3.16% | 3.16% |
| Non-United States pension plans [Member] | |||
| Assumptions used to determine benefit obligation at year-end | |||
| Discount rate | 3.46% | 3.33% | 4.20% |
| Rate of compensation increase | 3.12% | 3.13% | 3.12% |
| Assumptions used to determine expense | |||
| Discount rate | 3.33% | 4.20% | 4.17% |
| Expected long-term return on plan assets | 6.92% | 7.00% | 6.92% |
| Rate of compensation increase | 3.13% | 3.12% | 3.09% |