Compensation and Retirement Disclosure [Abstract] | Period [Axis] |
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2016-01-01 - 2016-12-31 |
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Compensation and Retirement Disclosure [Abstract] | |
Summary of Changes in Benefit Obligations and Plan Assets Amount Recognized | The following table sets forth the changes in the benefit obligations and the plan assets, the (funded) unfunded status of the Pension Plan, SERP and Postretirement Plan, and the amounts recognized in the Company’s consolidated balance sheets at December 31: | | | | | | | | | | | | | | | | | | Pension Plan and SERP |
| Postretirement Plan | | 2016 |
| 2015 |
| 2016 |
| 2015 | Change in benefit obligation: |
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| Benefit obligation at January 1 | $ | 419.6 |
|
| $ | 471.3 |
|
| $ | 15.8 |
|
| $ | 18.7 |
| Interest cost |
| 19.3 |
|
|
| 18.1 |
|
|
| 0.4 |
|
|
| 0.5 |
| Actuarial loss (gain) |
| 28.5 |
|
|
| (44.2 | ) |
|
| (1.4 | ) |
|
| (1.6 | ) | Plan amendments |
| — |
|
|
| 3.8 |
|
|
| — |
|
|
| — |
| Plan participants’ contributions |
| — |
|
|
| — |
|
|
| 1.9 |
|
|
| 1.9 |
| Benefits paid |
| (29.0 | ) |
|
| (29.4 | ) |
|
| (4.4 | ) |
|
| (4.4 | ) | Federal subsidy on benefits paid |
| — |
|
|
| — |
|
|
| 0.5 |
|
|
| 0.7 |
| Benefit obligation at December 31 | $ | 438.4 |
|
| $ | 419.6 |
|
| $ | 12.8 |
|
| $ | 15.8 |
| Accumulated benefit obligation at December 31 | $ | 438.4 |
|
| $ | 419.6 |
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|
|
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| Change in plan assets: |
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|
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| Fair value of plan assets at January 1 | $ | 438.6 |
|
| $ | 475.3 |
|
| $ | 13.0 |
|
| $ | 15.2 |
| Actual return on plan assets, net of expenses |
| 33.9 |
|
|
| (8.2 | ) |
|
| 0.1 |
|
|
| — |
| Employer contributions, net |
| 1.0 |
|
|
| 0.9 |
|
|
| — |
|
|
| (0.4 | ) | Plan participants’ contributions |
| — |
|
|
| — |
|
|
| 1.9 |
|
|
| 1.9 |
| Benefits paid |
| (29.0 | ) |
|
| (29.4 | ) |
|
| (4.4 | ) |
|
| (4.4 | ) | Subsidies received |
| — |
|
|
| — |
|
|
| 0.5 |
|
|
| 0.7 |
| Fair value of plan assets at December 31 | $ | 444.5 |
|
| $ | 438.6 |
|
| $ | 11.1 |
|
| $ | 13.0 |
| (Funded) unfunded status at December 31 | $ | (6.1 | ) |
| $ | (19.0 | ) |
| $ | 1.7 |
|
| $ | 2.8 |
| Amounts recognized in the consolidated balance sheets consist of: | | | | | | | | | | | | Pension assets, noncurrent | $ | (19.6 | ) | | $ | (32.9 | ) | | $ | — |
| | $ | — |
| Pension, SERP and postretirement benefits, current | | 0.9 |
| | | 1.0 |
| | | — |
| | | 0.8 |
| Pension, SERP and postretirement benefits, noncurrent | | 12.6 |
| | | 12.9 |
| | | 1.7 |
| | | 2.0 |
| Total Pension, SERP and Postretirement benefits | $ | (6.1 | ) | | $ | (19.0 | ) | | $ | 1.7 |
| | $ | 2.8 |
|
|
Summary of Pre-Tax Components of Accumulated Other Comprehensive Losses | The following is a summary of accumulated other comprehensive losses as of December 31: | | | | | | | | | | 2016 |
| 2015 | Foreign currency translation adjustment | $ | (561.4 | ) |
| $ | (165.8 | ) | Unrealized gains on available-for-sale securities, net of tax |
| 0.3 |
|
|
| — |
| Pension and postretirement adjustment, net of tax |
| (89.7 | ) |
|
| (76.2 | ) | Accumulated other comprehensive losses | $ | (650.8 | ) |
| $ | (242.0 | ) |
The pre-tax components included within accumulated other comprehensive losses as of December 31 are summarized below: | | | | | | | | | | | | | | | | | | Pension Plan and SERP |
| Postretirement Plan | | 2016 |
| 2015 |
| 2016 |
| 2015 | Prior service benefit cost (credit) | $ | 3.7 |
|
| $ | 3.8 |
|
| $ | (0.8 | ) |
| $ | (0.9 | ) | Actuarial losses |
| 139.6 |
|
|
| 116.4 |
|
|
| 5.2 |
|
|
| 6.7 |
| Accumulated other comprehensive losses, pretax | $ | 143.3 |
|
| $ | 120.2 |
|
| $ | 4.4 |
|
| $ | 5.8 |
|
|
Components of Net Periodic Benefit Cost and Amounts Recognized in Other Comprehensive Income | The pre-tax components of net periodic benefit (credit) cost and the amounts recognized in other comprehensive loss are summarized below for the years ended December 31: | | | | | | | | | | | | | | | | | | | | | | | | | | Pension Plan and SERP |
| Postretirement Plan | | 2016 |
| 2015 |
| 2014 |
| 2016 |
| 2015 |
| 2014 | Interest cost | $ | 19.3 |
|
| $ | 18.1 |
|
| $ | 19.0 |
|
| $ | 0.4 |
|
| $ | 0.5 |
|
| $ | 0.6 |
| Expected return on plan assets |
| (31.7 | ) |
|
| (34.4 | ) |
|
| (33.9 | ) |
|
| (0.5 | ) |
|
| (0.6 | ) |
|
| (0.8 | ) | Amortization of prior service cost (credit) reclassified from accumulated other comprehensive losses |
| 0.1 |
|
|
| — |
|
|
| — |
|
|
| (0.1 | ) |
|
| (0.1 | ) |
|
| (0.1 | ) | Amortization of net actuarial loss reclassified from accumulated other comprehensive losses |
| 3.2 |
|
|
| 2.8 |
|
|
| 0.8 |
|
|
| 0.4 |
|
|
| 0.6 |
|
|
| 0.5 |
| Net periodic benefit (credit) cost |
| (9.1 | ) |
|
| (13.5 | ) |
|
| (14.1 | ) |
|
| 0.2 |
|
|
| 0.4 |
|
|
| 0.2 |
| Amortization of prior service benefit cost (credit) reclassified from accumulated other comprehensive losses |
| (0.1 | ) |
|
| — |
|
|
| — |
|
|
| 0.1 |
|
|
| 0.1 |
|
|
| 0.1 |
| Amortization of actuarial loss reclassified from accumulated other comprehensive losses |
| — |
|
|
| (0.2 | ) |
|
| (0.4 | ) |
|
| — |
|
|
| — |
|
|
| — |
| Net loss recognized reclassified from accumulated other comprehensive losses |
| (3.2 | ) |
|
| (2.6 | ) |
|
| (0.4 | ) |
|
| (0.4 | ) |
|
| — |
|
|
| — |
| Plan amendments | | — |
| | | 3.8 |
| | | — |
| | | — |
| | | — |
| | | — |
| Actuarial gain (loss) |
| 26.4 |
|
|
| (1.5 | ) |
|
| 59.3 |
|
|
| (1.1 | ) |
|
| (1.6 | ) |
|
| (0.8 | ) | Total recognized in other comprehensive loss |
| 23.1 |
|
|
| (0.5 | ) |
|
| 58.5 |
|
|
| (1.4 | ) |
|
| (1.5 | ) |
|
| (0.7 | ) | Total recognized in net periodic benefit cost (credit) and other comprehensive loss | $ | 14.0 |
|
| $ | (14.0 | ) |
| $ | 44.4 |
|
| $ | (1.2 | ) |
| $ | (1.1 | ) |
| $ | (0.5 | ) |
|
Summary of Accumulated Other Comprehensive Losses Recognized in Net Periodic Benefit | The estimated amounts in accumulated other comprehensive losses that are expected to be recognized as components of net periodic benefit (credit) cost during 2017 are summarized below: | | | | | | | | | | | | |
| Pension Plan and SERP |
| Postretirement Plan |
| Total | Amortization of prior service benefit cost (credit) | $ | 0.2 |
|
| $ | (0.1 | ) |
| $ | 0.1 |
| Amortization of net actuarial loss |
| 4.0 |
|
|
| 0.4 |
|
|
| 4.4 |
| Total | $ | 4.2 |
|
| $ | 0.3 |
|
| $ | 4.5 |
|
|
Summary of Weighted-Average Assumptions Used in Calculating Net Periodic Benefit (Credit) Cost | The weighted-average assumptions used to determine benefit obligations as of December 31, 2016 and 2015 and net periodic benefit (credit) cost for the years 2016, 2015 and 2014 are provided below: | | | | | | | | | | | | | | | | | | | | Pension Plan and SERP |
| Postretirement Plan | Weighted-average assumptions used to determine benefit obligations: | 2016 | | 2015 | | | | 2016 | | 2015 | | | Discount rate | 3.99 | % | | 4.73 | % | | | | 3.25 | % | | 3.25 | % | | | Expected return on plan assets | 7.25 | % | | 7.50 | % | | | | 3.00 | % | | 4.00 | % | | | | | | | | | | | | | | | Weighted-average assumptions used to determine net periodic benefit (credit) loss: | 2016 | | 2015 | | 2014 | | 2016 | | 2015 | | 2014 | Discount rate | 4.73 | % |
| 3.99 | % |
| 4.73 | % |
| 3.25 | % |
| 3.00 | % |
| 3.45 | % | Expected return on plan assets | 7.50 | % |
| 7.50 | % |
| 7.50 | % |
| 4.00 | % |
| 4.00 | % |
| 5.00 | % |
|
Summary of Estimated Future Benefit Payments for Respective Plans | The following table presents the estimated future benefit payments for the respective plans. The future benefit payments for the Postretirement Plan are net of the federal Medicare subsidy. | | | | | | | | | | | | | | | | | | Pension Plan and SERP |
| Postretirement Plan | | Gross Benefit Amount |
| Gross Benefit Amount |
| Medicare Subsidy Payments |
| Net Benefit Amount | 2017 | $ | 31.1 |
|
| $ | 2.2 |
|
| $ | (0.4 | ) |
| $ | 1.8 |
| 2018 | $ | 30.3 |
|
| $ | 2.0 |
|
| $ | (0.3 | ) |
| $ | 1.7 |
| 2019 | $ | 30.8 |
|
| $ | 1.8 |
|
| $ | (0.3 | ) |
| $ | 1.5 |
| 2020 | $ | 29.9 |
|
| $ | 1.6 |
|
| $ | (0.3 | ) |
| $ | 1.3 |
| 2021 | $ | 30.2 |
|
| $ | 1.4 |
|
| $ | (0.3 | ) |
| $ | 1.1 |
| 2022-2026 | $ | 141.3 |
|
| $ | 5.0 |
|
| $ | (0.5 | ) |
| $ | 4.5 |
|
|
Summary of Effect of One Percentage Point Change in Assumed Health Care Cost Trend Rates | A 1.00% change in assumed healthcare cost trend rates would have the following effects: | | | | | | | | |
| 1% Increase |
| 1% Decrease | Effect of total service and interest cost components of net periodic postretirement healthcare benefit cost | $ | — |
|
| $ | — |
| Effect on the healthcare component of the accumulated postretirement benefit obligation | $ | 0.3 |
|
| $ | (0.3 | ) |
|
Summary of Asset Allocation and Target Allocation | The following table summarizes the fair value measurements by level of the Pension Plan and Postretirement Plan assets: | | | | | | | | | | | | | | | | |
| Total |
| Quoted Prices in Active Markets for Identical Assets (Level 1) |
| Significant Other Observable Inputs (Level 2) |
| Significant Unobservable Inputs (Level 3) | December 31, 2016 |
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| Equity |
|
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|
|
|
|
|
|
|
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| Managed equity accounts (1) | $ | 210.2 |
|
| $ | 210.2 |
|
| $ | — |
|
| $ | — |
| Equity — pooled separate account (2) |
| 63.2 |
|
|
| — |
|
|
| 63.2 |
|
|
| — |
| Equity — partnerships (3) |
| 0.2 |
|
|
| — |
|
|
| — |
|
|
| 0.2 |
| Debt |
|
|
|
|
|
|
|
|
|
|
| Fixed income manager — pooled separate account (2) |
| 167.9 |
|
|
| — |
|
|
| 167.9 |
|
|
| — |
| Fixed income manager — government securities (4) |
| 11.1 |
|
|
| 11.1 |
|
|
| — |
|
|
| — |
| Other |
|
|
|
|
|
|
|
|
|
|
| Cash — pooled separate account (2) |
| 3.0 |
|
|
| — |
|
|
| 3.0 |
|
|
| — |
| Total | $ | 455.6 |
|
| $ | 221.3 |
|
| $ | 234.1 |
|
| $ | 0.2 |
| December 31, 2015 |
|
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|
|
|
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|
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| Equity |
|
|
|
|
|
|
|
|
|
|
| Managed equity accounts (1) | $ | 215.6 |
|
| $ | 215.6 |
|
| $ | — |
|
| $ | — |
| Equity — pooled separate account (2) |
| 47.3 |
|
|
| — |
|
|
| 47.3 |
|
|
| — |
| Equity — partnerships (3) |
| 0.2 |
|
|
| — |
|
|
| — |
|
|
| 0.2 |
| Debt |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Fixed income manager — pooled separate account (2) |
| 173.7 |
|
|
| — |
|
|
| 173.7 |
|
|
| — |
| Fixed income manager — government securities (4) |
| 13.0 |
|
|
| 13.0 |
|
|
| — |
|
|
| — |
| Other |
|
|
|
|
|
|
|
|
|
|
| Cash — pooled separate account (2) |
| 1.8 |
|
|
| — |
|
|
| 1.8 |
|
|
| — |
| Total | $ | 451.6 |
|
| $ | 228.6 |
|
| $ | 222.8 |
|
| $ | 0.2 |
|
| | (1) | Valued at the closing price of shares for domestic stocks within the managed equity accounts, and valued at the net asset value (“NAV”) of shares for mutual funds at either the closing price reported in the active market or based on yields currently available on comparable securities of issuers with similar credit ratings for corporate bonds held by the Pension Plan in these managed accounts. |
| | (2) | The pooled separate accounts invest in domestic and foreign stocks, bonds and mutual funds. The fair values of these stocks, bonds and mutual funds are publicly quoted and are used in determining the NAV of the pooled separate account, which is not publicly quoted. |
| | (3) | Investments for which readily determinable prices do not exist are valued by the General Partner using either the market or income approach. In establishing the estimated fair value of investments, including those without readily determinable values, the General Partner assumes a reasonable period of time for liquidation of the investment, and takes into consideration the financial condition and operating results of the underlying portfolio company, nature of investment, restrictions on marketability, holding period, market conditions, foreign currency exposures, and other factors the General Partner deems appropriate. |
| | (4) | The fund invested in the U.S. government, its agencies or instrumentalities or securities that are rated AAA by S&P, AAA by Fitch, or Aaa by Moody’s, including but not limited to mortgage securities such as agency and non-agency collateralized mortgage obligations, and other obligations that are secured by mortgages or mortgage backed securities, and valued at the closing price reported in the active market. |
The asset allocation at December 31, 2016 and 2015, and target allocation for 2017 by asset category are as follows: | | | | | | | | | | Asset Category | Target Allocation | | Percentage of Plan Assets | 2016 | | 2015 | Equity securities | 60.00 | % | | 61.60 | % | | 60.00 | % | Debt securities | 40.00 | % | | 37.80 | % | | 39.60 | % | Other | — | % | | 0.60 | % | | 0.40 | % | Total | 100.00 | % | | 100.00 | % | | 100.00 | % |
|