| Compensation and Retirement Disclosure [Abstract] | Period [Axis] |
|---|
2016-01-01 - 2016-12-31 |
|---|
Compensation and Retirement Disclosure [Abstract] | |
Change in benefit obligation | The following table sets forth the change in benefit obligation for our pension plans. | | | | | | | | | | | | | | | | As of December 31, | (in millions) | | 2016 | | 2015 | | 2014 | Benefit obligation, beginning of year | | $ | 44.9 |
| | $ | 50.9 |
| | $ | 46.0 |
| Service cost | | 1.6 |
| | 1.4 |
| | 1.4 |
| Interest cost | | 1.9 |
| | 1.9 |
| | 2.2 |
| Actuarial (gain) loss | | 0.2 |
| | (0.2 | ) | | 7.2 |
| Benefits paid | | (1.5 | ) | | (1.1 | ) | | (1.8 | ) | Cumulative translation adjustments | | 1.2 |
| | (8.0 | ) | | (4.1 | ) | Benefit obligation, end of year | | $ | 48.3 |
| | $ | 44.9 |
| | $ | 50.9 |
|
|
Change in plan assets | The following table sets forth the change in plan assets for our pension plans. | | | | | | | | | | | | As of December 31, | (in millions) | | 2016 | | 2015 | Fair value of plan assets, beginning of year | | $ | 39.7 |
| | $ | 44.1 |
| Actual return on plan assets | | 2.4 |
| | 1.8 |
| Employer contributions | | 2.0 |
| | 2.0 |
| Benefits paid | | (1.5 | ) | | (1.1 | ) | Cumulative translation adjustments | | 1.0 |
| | (7.1 | ) | Fair value of plan assets, end of year | | $ | 43.6 |
| | $ | 39.7 |
|
|
Funded status and amounts recognized in consolidated statement of financial position | The unfunded status of pension benefit obligations and the related amounts recognized on the Consolidated Statement of Financial Position were as follows: | | | | | | | | | | | | As of December 31, | (in millions) | | 2016 | | 2015 | Unfunded status, end of year | | $ | (4.7 | ) | | $ | (5.2 | ) | Amounts recognized on the Consolidated Statement of Financial Position: | | | | | Other noncurrent liabilities | | (4.7 | ) | | (5.2 | ) | Net amounts recognized | | (4.7 | ) | | (5.2 | ) |
|
Amounts recognized in accumulated other comprehensive income (loss) | The following amounts were recognized in accumulated other comprehensive loss on the Consolidated Statement of Financial Position. | | | | | | | | | | | | As of December 31, | (in millions) | | 2016 | | 2015 | Net actuarial loss | | $ | (11.6 | ) | | $ | (11.7 | ) | Deferred income taxes | | 3.0 |
| | 3.0 |
| Net amount recognized in accumulated other comprehensive loss | | $ | (8.6 | ) | | $ | (8.7 | ) |
|
Schedule of Accumulated Benefit Obligations in Excess of Fair Value of Plan Assets | The information for the pension plans with an accumulated benefit obligation in excess of plan assets is set forth below. | | | | | | | | | | | | As of December 31, | (in millions) | | 2016 | | 2015 | Projected benefit obligation | | $ | 48.3 |
| | $ | 44.9 |
| Accumulated benefit obligation | | 43.8 |
| | 40.8 |
| Fair value of plan assets | | 43.6 |
| | 39.7 |
|
|
Schedule of Net Benefit Costs | The following tables present the components of net periodic pension cost and amounts recognized in other comprehensive income (loss). | | | | | | | | | | | | | | | | As of December 31, | (in millions) | | 2016 | | 2015 | | 2014 | Service cost | | $ | 1.6 |
| | $ | 1.4 |
| | $ | 1.4 |
| Interest cost | | 1.9 |
| | 1.9 |
| | 2.2 |
| Expected return on plan assets | | (2.1 | ) | | (2.2 | ) | | (2.5 | ) | Amortization of actuarial losses(a) | | 0.6 |
| | 0.8 |
| | 0.3 |
| Amortization of transitional obligation | | (0.1 | ) | | (0.1 | ) | | — |
| Net periodic pension cost | | $ | 1.9 |
| | $ | 1.8 |
| | $ | 1.4 |
|
|
Schedule of Amounts Recognized in Other Comprehensive Income (Loss) | | | | | | | (in millions) | | Year Ended December 31, 2016 | Amortization of actuarial losses(a) | | $ | 0.6 |
| Cumulative translation adjustments | | (0.4 | ) | Amortization of transitional obligation | | (0.1 | ) | | | 0.1 |
| Deferred income taxes | | — |
| Recognized in other comprehensive loss, net of tax | | 0.1 |
|
| | (a) | Reflects amounts reclassified from accumulated other comprehensive income (loss) to net income (loss). |
|
Weighted average assumptions used to determine benefit obligations and net periodic cost | | | | | | | | | | | As of and for the Year Ended December 31, | | | 2016 | | 2015 | Weighted average assumptions used to determine benefit obligations: | | | | | Discount rate | | 4.0 | % | | 4.0 | % | Rate of compensation increase | | 3.0 |
| | 3.0 |
| Weighted average assumptions used to determine net periodic cost: | | | | | Discount rate | | 4.0 |
| | 4.0 |
| Expected long-term return on plan assets | | 5.1 |
| | 5.3 |
| Rate of compensation increase | | 3.0 |
| | 3.0 |
|
|
Pension plan assets categorized according to the FASB fair value hierarchy | The following tables set forth our pension plan assets measured at fair value on a recurring basis as of December 31, 2016 and 2015. These assets have been categorized according to the three-level fair value hierarchy established by the FASB which prioritizes the inputs used in measuring fair value. Level 1 is based on quoted prices for the asset in active markets. Level 2 is based on inputs that are observable other than quoted market prices in active markets, such as quoted prices for the asset in inactive markets or quoted prices for similar assets. Level 3 is based on unobservable inputs that market participants would use in pricing the asset. | | | | | | | | | | | | | | | | | | | | As of December 31, 2016 | (in millions) | | Level 1 | | Level 2 | | Level 3 | | Total | Cash and cash equivalents(a) | | $ | — |
| | $ | 0.9 |
| | $ | — |
| | $ | 0.9 |
| Fixed income securities: | | | | | | | | | Corporate and government related securities | | — |
| | 12.3 |
| | — |
| | 12.3 |
| Corporate bonds(b) | | 0.7 |
| | — |
| | — |
| | 0.7 |
| Equity securities(c): | | | | | | | | | U.S. equity | | 0.9 |
| | — |
| | — |
| | 0.9 |
| International equity | | 0.3 |
| | 23.8 |
| | — |
| | 24.1 |
| Insurance contracts | | — |
| | — |
| | 4.7 |
| | 4.7 |
| Total assets | | $ | 1.9 |
| | $ | 37.0 |
| | $ | 4.7 |
| | $ | 43.6 |
|
| | | | | | | | | | | | | | | | | | | | As of December 31, 2015 | (in millions) | | Level 1 | | Level 2 | | Level 3 | | Total | Cash and cash equivalents(a) | | $ | — |
| | $ | 0.7 |
| | $ | — |
| | $ | 0.7 |
| Fixed income securities: | | | | | | | | | Corporate and government related securities | | — |
| | 11.2 |
| | — |
| | 11.2 |
| Corporate bonds(b) | | 0.7 |
| | — |
| | — |
| | 0.7 |
| Equity securities(c): | | | | | | | | | U.S. equity | | 0.8 |
| | — |
| | — |
| | 0.8 |
| International equity | | 0.3 |
| | 21.1 |
| | — |
| | 21.4 |
| Insurance contracts | | — |
| | — |
| | 4.9 |
| | 4.9 |
| Total assets | | $ | 1.8 |
| | $ | 33.0 |
| | $ | 4.9 |
| | $ | 39.7 |
|
| | (a) | Assets categorized as Level 2 reflect investments in money market funds. |
| | (b) | Securities of diverse industries, substantially all investment grade. |
| | (c) | Assets categorized as Level 2 reflect investments in common collective funds. |
|
Significant changes in Level 3 plan assets | Significant changes in Level 3 plan assets are as follows: | | | | | | | | | | | | Year Ended December 31, | (in millions) | | 2016 | | 2015 | Insurance contracts: | | | | | Beginning of year | | $ | 4.9 |
| | $ | — |
| Purchases | | — |
| | 5.2 |
| Payments | | (0.5 | ) | | (0.1 | ) | Actuarial loss | | — |
| | (0.2 | ) | Interest income | | 0.2 |
| | — |
| Cumulative translation adjustments | | 0.1 |
| | — |
| End of year | | $ | 4.7 |
| | $ | 4.9 |
|
|
Schedule of Expected Benefit Payments | | | | | | | | | | | | | | | (in millions) | | 2017 | | 2018 | | 2019 | | 2020 | | 2021 | | 2022-2026 | Estimated future benefit payments for pension plans | | 1.2 | | 1.3 | | 1.4 | | 1.6 | | 2.0 | | 13.5 |
|