| Compensation and Retirement Disclosure [Abstract] | Period [Axis] |
|---|
2016-01-01 - 2016-12-31 |
|---|
Compensation and Retirement Disclosure [Abstract] | |
Changes in Benefit Obligation, Plan Assets and Funded Status for Company-Sponsored Benefit Plans | The changes in benefit obligation, plan assets and funded status for company-sponsored benefit plans as of December 31 are as follows: | | | | | | | | | | | | | | | | | | | | Pension Benefit Plans | | Other Postretirement Employee Benefit Plans | (In thousands) | | 2016 | | 2015 | | 2016 | | 2015 | Benefit obligation at beginning of year | | $ | 318,444 |
| | $ | 338,001 |
| | $ | 71,672 |
| | $ | 104,715 |
| Service cost | | 1,562 |
| | 1,244 |
| | 249 |
| | 363 |
| Interest cost | | 14,072 |
| | 13,931 |
| | 3,075 |
| | 3,881 |
| Plan settlements | | (10,629 | ) | | — |
| | — |
| | — |
| Actuarial losses (gains) | | 6,225 |
| | (15,295 | ) | | 816 |
| | (30,701 | ) | Benefits paid | | (25,286 | ) | | (19,437 | ) | | (6,649 | ) | | (6,586 | ) | Benefit obligation at end of year | | 304,388 |
| | 318,444 |
| | 69,163 |
| | 71,672 |
| Fair value of plan assets at beginning of year | | 294,076 |
| | 321,055 |
| | 20 |
| | 20 |
| Actual return on plan assets | | 27,056 |
| | (11,120 | ) | | — |
| | — |
| Employer contribution | | 421 |
| | 3,578 |
| | — |
| | — |
| Plan settlements | | (10,629 | ) | | — |
| | — |
| | — |
| Benefits paid | | (25,286 | ) | | (19,437 | ) | | — |
| | — |
| Fair value of plan assets at end of year | | 285,638 |
| | 294,076 |
| | 20 |
| | 20 |
| Funded status at end of year | | $ | (18,750 | ) | | $ | (24,368 | ) | | $ | (69,143 | ) | | $ | (71,652 | ) |
|
Schedule of Amounts Recognized in Balance Sheet | Amounts recognized in the Consolidated Balance Sheets: | | | | | | | | | | | | | | | | | | | | Pension Benefit Plans | | Other Postretirement Employee Benefit Plans | (In thousands) | | 2016 | | 2015 | | 2016 | | 2015 | Non-current assets | | $ | 1,740 |
| | $ | 596 |
| | $ | — |
| | $ | — |
| Current liabilities | | (397 | ) | | (414 | ) | | (7,424 | ) | | (7,145 | ) | Non-current liabilities | | (20,093 | ) | | (24,550 | ) | | (61,719 | ) | | (64,507 | ) | Net amount recognized | | $ | (18,750 | ) | | $ | (24,368 | ) | | $ | (69,143 | ) | | $ | (71,652 | ) |
|
Amounts Recognized (Pre-tax) in Accumulated Other Comprehensive Loss | mounts recognized in Accumulated Other Comprehensive Loss as of December 31 consist of: | | | | | | | | | | | | | | | | | | | | Pension Benefit Plans | | Other Postretirement Employee Benefit Plans | (In thousands) | | 2016 | | 2015 | | 2016 | | 2015 | Net loss (gain) | | $ | 117,640 |
| | $ | 134,031 |
| | $ | (20,906 | ) | | $ | (29,290 | ) | Prior service cost (credit) | | 8 |
| | 30 |
| | (3,211 | ) | | (4,923 | ) | Net amount recognized | | $ | 117,648 |
| | $ | 134,061 |
| | $ | (24,117 | ) | | $ | (34,213 | ) |
|
Certain Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets | Information as of December 31 for certain pension plans included above with accumulated benefit obligations in excess of plan assets were as follows: | | | | | | | | | | (In thousands) | | 2016 | | 2015 | Projected benefit obligation | | $ | 170,716 |
| | $ | 181,744 |
| Accumulated benefit obligation | | 170,716 |
| | 181,744 |
| Fair value of plan assets | | 150,226 |
| | 156,780 |
|
|
Pre-tax Components of Net Periodic Cost | Pre-tax components of net periodic cost and other amounts recognized in Other Comprehensive Income (Loss) for the years ended December 31 were as follows: Net Periodic Cost: | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pension Benefit Plans | | Other Postretirement Employee Benefit Plans | (In thousands) | | 2016 | | 2015 | | 2014 | | 2016 | | 2015 | | 2014 | Service cost | | $ | 1,562 |
| | $ | 1,244 |
| | $ | 1,390 |
| | $ | 249 |
| | $ | 363 |
| | $ | 454 |
| Interest cost | | 14,072 |
| | 13,931 |
| | 14,825 |
| | 3,075 |
| | 3,881 |
| | 4,565 |
| Expected return on plan assets | | (19,389 | ) | | (20,117 | ) | | (20,196 | ) | | (1 | ) | | (1 | ) | | — |
| Amortization of prior service cost (credit) | | 22 |
| | 73 |
| | 205 |
| | (1,712 | ) | | (2,178 | ) | | (2,179 | ) | Amortization of actuarial loss (gain) | | 11,463 |
| | 12,619 |
| | 10,097 |
| | (7,566 | ) | | — |
| | (286 | ) | Settlement | | 3,482 |
| | — |
| | — |
| | — |
| | — |
| | — |
| Net periodic cost | | $ | 11,212 |
| | $ | 7,750 |
| | $ | 6,321 |
| | $ | (5,955 | ) | | $ | 2,065 |
| | $ | 2,554 |
|
|
Other Amounts Recognized in Other Comprehensive Income (Loss) | Other amounts recognized in Other Comprehensive Income (Loss): | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pension Benefit Plans | | Other Postretirement Employee Benefit Plans | (In thousands) | | 2016 | | 2015 | | 2014 | | 2016 | | 2015 | | 2014 | Net (gain) loss | | $ | (1,445 | ) | | $ | 15,942 |
| | $ | 31,587 |
| | $ | 818 |
| | $ | (30,700 | ) | | $ | 7,039 |
| Prior service credit | | — |
| | — |
| | — |
| | — |
| | — |
| | (8,384 | ) | Amortization of prior service (cost) credit | | (22 | ) | | (73 | ) | | (205 | ) | | 1,712 |
| | 2,178 |
| | 2,179 |
| Amortization of actuarial (loss) gain | | (11,463 | ) | | (12,619 | ) | | (10,097 | ) | | 7,566 |
| | — |
| | 286 |
| Settlement | | (3,482 | ) | | — |
| | — |
| | — |
| | — |
| | — |
| Total recognized in other comprehensive (income) loss | | $ | (16,412 | ) | | $ | 3,250 |
| | $ | 21,285 |
| | $ | 10,096 |
| | $ | (28,522 | ) | | $ | 1,120 |
| Total recognized in net periodic cost and other comprehensive (income) loss | | $ | (5,200 | ) | | $ | 11,000 |
| | $ | 27,606 |
| | $ | 4,141 |
| | $ | (26,457 | ) | | $ | 3,674 |
|
|
Weighted Average Assumptions Used to Determine Benefit Obligation | Weighted average assumptions used to determine the benefit obligation as of December 31 were: | | | | | | | | | | | | | | | | | | | | | | Pension Benefit Plans | | Other Postretirement Employee Benefit Plans | | | 2016 | | 2015 | | 2014 | | 2016 | | 2015 | | 2014 | Discount rate | | 4.45 | % | | 4.70 | % | | 4.25 | % | | 4.30 | % | | 4.50 | % | | 4.15 | % |
Weighted average assumptions used to determine the net periodic cost for the years ended December 31 were: | | | | | | | | | | | | | | | | | | | | | | Pension Benefit Plans | | Other Postretirement Employee Benefit Plans | | | 2016 | | 2015 | | 2014 | | 2016 | | 2015 | | 2014 | Discount rate | | 4.70 | % | | 4.25 | % | | 5.20 | % | | 4.50 | % | | 4.15 | % | | 5.05 | % | Expected return on plan assets | | 6.75 |
| | 7.00 |
| | 7.50 |
| | — |
| | — |
| | — |
|
|
One Percentage Point Change in Health Care Cost Trend Rates | A one percentage point change in the health care cost trend rates would have the following effects: | | | | | | | | | | (In thousands) | | 1% Increase |
| | 1% Decrease |
| Effect on total of service and interest cost components | | $ | 220 |
| | $ | (192 | ) | Effect on postretirement employee benefit obligation | | 4,393 |
| | (3,838 | ) |
|
Investments at Fair Value for Company Sponsored Pension Benefit Plans within Fair Value Hierarchy | The following tables set forth by level, within the fair value hierarchy, the investments at fair value for our company-sponsored pension benefit plans: | | | | | | | | | | | | | | | | December 31, 2016 | (In thousands) | | Level 1 | | Investments measured at net asset value | | Total | Cash and cash equivalents | | $ | 2,002 |
| | $ | — |
| | $ | 2,002 |
| Common and collective trust: | | | | | | | Collective investment funds | | — |
| | 283,636 |
| | 283,636 |
| Total investments at fair value | | $ | 2,002 |
| | $ | 283,636 |
| | $ | 285,638 |
|
| | | | | | | | | | | | | | | | December 31, 2015 | (In thousands) | | Level 1 | | Investments measured at net asset value | | Total | Cash and cash equivalents | | $ | 2,004 |
| | $ | — |
| | $ | 2,004 |
| Common and collective trusts: | | | | | | | Collective investment funds | | — |
| | 292,072 |
| | 292,072 |
| Total investments at fair value | | $ | 2,004 |
| | $ | 292,072 |
| | $ | 294,076 |
|
|
Long Term Asset Allocation Ranges | Assets are diversified among various asset classes, such as domestic equities, international equities, fixed income and cash. The long-term asset allocation ranges are as follows: | | | | | | Domestic equities | | | 14%-22% | | International equities, including emerging markets | | | 13%-22% | | Corporate bonds | | | 50%-70% | | Liquid reserves | | | 0%-5% | |
|
Schedule of Expected Benefit Payments | Estimated future benefit payments are as follows for the years indicated: | | | | | | | | | | (In thousands) | | Pension Benefit Plans | | Other Postretirement Employee Benefit Plans | 2017 | | $ | 19,614 |
| | $ | 7,444 |
| 2018 | | 19,808 |
| | 7,421 |
| 2019 | | 20,103 |
| | 6,954 |
| 2020 | | 20,143 |
| | 6,562 |
| 2021 | | 20,131 |
| | 5,435 |
| 2022-2026 | | 100,433 |
| | 20,372 |
|
|
Multiemployer Defined Benefit Plans | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pension Fund | | EIN | | Plan Number | | PPA Zone Status1 | | FIP/RP Status Pending/ Implemented | | Contributions (in thousands) | | Surcharge Imposed | | Expiration Date of Collective Bargaining Agreement | 2016 | | 2015 | | 2016 | | 2015 | | 2014 | | IAM NPF | | 51-6031295 | | 002 | | Green | | Green | | N/A | | $ | 335 |
| | $ | 329 |
| | $ | 343 |
| | No | | 5/31/2018 | PIUMPF | | 11-6166763 | | 001 | | Red | | Red | | Implemented | | 5,679 |
| | 5,631 |
| | 5,665 |
| | No | | 8/31/2017 | | | | | | | | | | Total Contributions: | | $ | 6,014 |
| | $ | 5,960 |
| | $ | 6,008 |
| | | | |
| | 1 | PIUMPF has been certified as in "Critical and Declining Status" for 2016 and 2015, under the provisions of the Multiemployer Pension Plan Reform Act of 2014. |
|