Rendering
| Component: (Network and Table) |
|---|
| Network | 100510 - Disclosure - Pension Benefits and Savings Plans (Tables) (http://www.argolimited.com/20161231/taxonomy/role/DisclosurePensionBenefitsAndSavingsPlansTables) |
| Table | (Implied) |
Slicers (applies to each fact value in each table cell)
| Reporting Entity [Axis] | 0001091748 (http://www.sec.gov/CIK) |
| Compensation And Retirement Disclosure [Abstract] | Period [Axis] |
|---|
2016-01-01 - 2016-12-31 |
|---|
Compensation And Retirement Disclosure [Abstract] | |
Schedule of Change in Plan Assets |
The assets and liabilities of the plans were measured as of December 31 of the respective years presented.
|
(in millions) |
|
2016 |
|
|
2015 |
|
|
Change in plan assets |
|
|
|
|
|
|
|
|
|
Fair value of plan assets at beginning of year |
|
$ |
17.5 |
|
|
$ |
19.2 |
|
|
Actual return on plan assets |
|
|
0.7 |
|
|
|
(0.1 |
) |
|
Employer contributions |
|
|
0.2 |
|
|
|
0.2 |
|
|
Settlements and benefits paid |
|
|
(1.7 |
) |
|
|
(1.8 |
) |
|
Fair value of plan assets at end of year |
|
$ |
16.7 |
|
|
$ |
17.5 |
|
|
Schedule of Change in Projected Benefit Obligation |
|
(in millions) |
|
2016 |
|
|
2015 |
|
|
Change in projected benefit obligation |
|
|
|
|
|
|
|
|
|
Projected benefit obligation at beginning of year |
|
$ |
23.1 |
|
|
$ |
25.8 |
|
|
Interest cost |
|
|
0.8 |
|
|
|
0.8 |
|
|
Actuarial loss (gain) |
|
|
0.4 |
|
|
|
(1.6 |
) |
|
Settlements and benefits paid |
|
|
(1.7 |
) |
|
|
(1.9 |
) |
|
Projected benefit obligation at end of year |
|
$ |
22.6 |
|
|
$ |
23.1 |
|
|
Schedule of Assumptions to Determine Benefit Obligations |
Assumptions used to determine benefit obligations at December 31 were as follows:
|
|
|
2016 |
|
|
2015 |
|
|
Weighted average discount rate |
|
|
3.44% |
|
|
|
3.48% |
|
|
Expected rate of increase in future compensation levels |
|
n/a |
|
|
n/a |
|
|
Schedule of Assumptions to Determine Net Periodic Benefit Cost |
Assumptions used to determine net periodic benefit cost follows:
|
|
|
For the Years Ended December 31, |
|
|
|
|
2016 |
|
|
2015 |
|
|
2014 |
|
|
Weighted average discount rate |
|
|
3.62% |
|
|
|
3.55% |
|
|
|
4.39% |
|
|
Expected return on plan assets |
|
|
6.00% |
|
|
|
6.00% |
|
|
|
6.00% |
|
|
Expected rate of increase in future compensation levels |
|
n/a |
|
|
n/a |
|
|
n/a |
|
|