|
EMPLOYEE BENEFIT PLANS (Details) (USD $)
|
0 Months Ended |
4 Months Ended |
12 Months Ended |
5 Months Ended |
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2014
|
Dec. 31, 2013
|
Aug. 30, 2012
|
| EMPLOYEE BENEFIT PLANS |
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|
|
|
|
| Qualification age of employees for participation in the savings plan (in years) |
|
|
21 years |
|
|
| Minimum service in first twelve months of employment for eligibility (in hours) |
|
|
1000 hours |
|
|
| Initial period of employment for eligibility (in months) |
|
|
12 months |
|
|
| Negative prior service cost recorded due to revision of plan |
$ 15,197,000 |
|
|
|
|
| Amortization period over which prior service cost will be amortized |
9 years |
|
|
|
|
| Changes in other comprehensive loss |
|
|
|
|
|
| Net (gain) loss |
|
(7,279,000) |
13,543,000 |
(4,510,000) |
|
| Net prior service credit |
|
|
|
(9,271,000) |
|
| Allocated tax expense |
|
|
(7,264,000) |
(15,532,000) |
|
| Change in benefit obligation: |
|
|
|
|
|
| Increase in pension and postretirement benefit liabilities as a result of using the updated mortality assumptions |
|
|
6,658,000 |
|
|
| Amounts recognized in the Balance Sheet: |
|
|
|
|
|
| Accrued expenses and other liabilities |
(766,000) |
|
(781,000) |
(766,000) |
|
| Other long-term liabilities |
(30,177,000) |
|
(48,436,000) |
(30,177,000) |
|
| Weighted-average assumptions used to determine net periodic benefit cost |
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|
|
|
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| Assumed annual rate of covered health care benefits (as a percent) |
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|
7.00% |
|
|
| Assumed annual rate of covered health care benefits for 2019 (as a percent) |
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|
5.00% |
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|
| Increase in the accumulated postretirement benefit obligation due to one-percentage-point increase in the assumed health care cost trend rate |
|
|
60,000 |
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|
| Increase in the aggregate of the service and interest cost components of postretirement expense due to one-percentage-point increase in the assumed health care cost trend rate |
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|
2,000 |
|
|
| Decrease in the accumulated postretirement benefit obligation due to one-percentage-point increase in the assumed health care cost trend rate |
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|
88,000 |
|
|
| Increase the aggregate of the service and interest cost components of postretirement expense due to one-percentage-point increase in the assumed health care cost trend rate |
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|
4,000 |
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|
| Predecessor |
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|
|
|
|
| Changes in other comprehensive loss |
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|
|
|
|
| Net prior service credit |
|
|
|
|
(771,000) |
| Pension Benefits |
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|
|
|
|
| Components of net periodic benefit cost: |
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|
|
|
|
| Service cost |
|
59,000 |
|
180,000 |
|
| Interest cost |
|
1,484,000 |
4,609,000 |
4,513,000 |
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| Expected return on plan assets |
|
(1,442,000) |
(5,230,000) |
(4,707,000) |
|
| Amortization of net gain |
|
|
(1,034,000) |
|
|
| Settlement gain |
|
(15,000) |
(3,575,000) |
|
|
| Net periodic benefit cost (credit) |
|
86,000 |
(1,655,000) |
(14,000) |
|
| Changes in other comprehensive loss |
|
|
|
|
|
| Net (gain) loss |
|
|
21,641,000 |
(12,537,000) |
|
| Amortization of net gain (loss) |
|
|
1,034,000 |
|
|
| Allocated tax expense |
|
|
(8,843,000) |
8,442,000 |
|
| Total recognized in other comprehensive income |
|
|
13,832,000 |
(4,095,000) |
|
| Net periodic benefit cost (credit) |
|
86,000 |
(1,655,000) |
(14,000) |
|
| Total recognized in net periodic benefit cost and other comprehensive income |
|
|
12,177,000 |
(4,109,000) |
|
| Change in benefit obligation: |
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|
|
|
|
| Benefit obligation at beginning of period |
|
|
98,883,000 |
109,718,000 |
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| Service cost |
|
59,000 |
|
180,000 |
|
| Interest cost |
|
1,484,000 |
4,609,000 |
4,513,000 |
|
| Actuarial (gain) loss |
|
|
23,532,000 |
(10,022,000) |
|
| Benefits paid |
|
|
(2,247,000) |
(5,408,000) |
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| Administrative expenses |
|
|
(81,000) |
(98,000) |
|
| Settlement paid |
|
|
(7,166,000) |
|
|
| Settlement gain |
|
(15,000) |
(3,575,000) |
|
|
| Benefit obligation at end of period |
98,883,000 |
109,718,000 |
113,955,000 |
98,883,000 |
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| Change in plan assets: |
|
|
|
|
|
| Fair value of plan assets at beginning of period |
|
|
73,658,000 |
68,219,000 |
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| Actual return on plan assets gain |
|
|
3,546,000 |
7,223,000 |
|
| Employer contribution |
|
|
2,714,000 |
3,722,000 |
|
| Benefits paid |
|
|
(2,247,000) |
(5,408,000) |
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| Administrative expense |
|
|
(81,000) |
(98,000) |
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| Settlement |
|
|
(7,166,000) |
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|
| Fair value of plan assets at end of period |
73,658,000 |
68,219,000 |
70,424,000 |
73,658,000 |
|
| Net liability for benefit cost: Funded status |
(25,225,000) |
|
(43,531,000) |
(25,225,000) |
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| Amounts recognized in the Balance Sheet: |
|
|
|
|
|
| Accrued expenses and other liabilities |
(154,000) |
|
(152,000) |
(154,000) |
|
| Other long-term liabilities |
(25,071,000) |
|
(43,379,000) |
(25,071,000) |
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| Net liability recognized |
(25,225,000) |
|
(43,531,000) |
(25,225,000) |
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| Aggregate accumulated benefit obligation |
(98,883,000) |
(109,718,000) |
(113,955,000) |
(98,883,000) |
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| Pension plans with accumulated benefit obligations and projected benefit obligations in excess of plan assets |
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|
|
|
|
| Aggregated accumulated benefit obligation |
(98,883,000) |
|
(113,955,000) |
(98,883,000) |
|
| Aggregated projected benefit obligation |
(98,883,000) |
|
(113,955,000) |
(98,883,000) |
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| Aggregated fair value of plan assets |
73,658,000 |
|
70,424,000 |
73,658,000 |
|
| Amounts recognized in accumulated other comprehensive income |
|
|
|
|
|
| Net actuarial (gain) loss |
(12,537,000) |
|
21,641,000 |
(12,537,000) |
|
| Weighted-average assumptions used to determine benefit obligations |
|
|
|
|
|
| Discount rate (as a percent) |
4.73% |
|
3.80% |
4.73% |
|
| Weighted-average assumptions used to determine net periodic benefit cost |
|
|
|
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|
| Discount rate (as a percent) |
|
3.99% |
4.73% |
4.17% |
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| Weighted average expected long-term return on plan assets (as a percent) |
|
7.27% |
7.81% |
7.27% |
|
| Pension Benefits | Forecast member |
|
|
|
|
|
| Amounts in accumulated other comprehensive income expected to be recognized in components of net periodic pension cost |
|
|
|
|
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| Net actuarial gain |
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|
45,000 |
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| Pension Benefits | Predecessor |
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|
|
|
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| Components of net periodic benefit cost: |
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|
|
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| Service cost |
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|
|
|
76,000 |
| Interest cost |
|
|
|
|
1,962,000 |
| Expected return on plan assets |
|
|
|
|
(1,811,000) |
| Amortization of net gain |
|
|
|
|
899,000 |
| Net periodic benefit cost (credit) |
|
|
|
|
1,126,000 |
| Changes in other comprehensive loss |
|
|
|
|
|
| Net periodic benefit cost (credit) |
|
|
|
|
1,126,000 |
| Change in benefit obligation: |
|
|
|
|
|
| Service cost |
|
|
|
|
76,000 |
| Interest cost |
|
|
|
|
1,962,000 |
| Weighted-average assumptions used to determine net periodic benefit cost |
|
|
|
|
|
| Discount rate (as a percent) |
|
|
|
|
4.86% |
| Weighted average expected long-term return on plan assets (as a percent) |
|
|
|
|
7.27% |
| Other Benefits |
|
|
|
|
|
| Components of net periodic benefit cost: |
|
|
|
|
|
| Service cost |
|
61,000 |
36,000 |
195,000 |
|
| Interest cost |
|
306,000 |
214,000 |
870,000 |
|
| Amortization of net gain |
|
|
(348,000) |
(78,000) |
|
| Amortization of prior service credit |
|
|
(1,665,000) |
|
|
| Net periodic benefit cost (credit) |
|
367,000 |
(1,763,000) |
987,000 |
|
| Changes in other comprehensive loss |
|
|
|
|
|
| Net (gain) loss |
|
|
561,000 |
(1,271,000) |
|
| Net prior service credit |
|
|
|
(15,197,000) |
|
| Amortization of net gain (loss) |
|
|
348,000 |
78,000 |
|
| Amortization of prior service credit |
|
|
1,665,000 |
|
|
| Allocated tax expense |
|
|
(1,003,000) |
6,782,000 |
|
| Total recognized in other comprehensive income |
|
|
1,571,000 |
(9,608,000) |
|
| Net periodic benefit cost (credit) |
|
367,000 |
(1,763,000) |
987,000 |
|
| Total recognized in net periodic benefit cost and other comprehensive income |
|
|
(192,000) |
(8,621,000) |
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| Change in benefit obligation: |
|
|
|
|
|
| Benefit obligation at beginning of period |
|
|
5,718,000 |
22,765,000 |
|
| Service cost |
|
61,000 |
36,000 |
195,000 |
|
| Interest cost |
|
306,000 |
214,000 |
870,000 |
|
| Plan participant's contributions |
|
|
419,000 |
562,000 |
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| Actuarial (gain) loss |
|
|
561,000 |
(1,271,000) |
|
| Plan amendment |
|
|
|
(15,197,000) |
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| Benefits paid |
|
|
(1,262,000) |
(2,206,000) |
|
| Benefit obligation at end of period |
5,718,000 |
22,765,000 |
5,686,000 |
5,718,000 |
|
| Change in plan assets: |
|
|
|
|
|
| Employer contribution |
|
|
843,000 |
1,644,000 |
|
| Plan participant's contributions |
|
|
419,000 |
562,000 |
|
| Benefits paid |
|
|
(1,262,000) |
(2,206,000) |
|
| Net liability for benefit cost: Funded status |
(5,718,000) |
|
(5,686,000) |
(5,718,000) |
|
| Amounts recognized in the Balance Sheet: |
|
|
|
|
|
| Accrued expenses and other liabilities |
(612,000) |
|
(629,000) |
(612,000) |
|
| Other long-term liabilities |
(5,106,000) |
|
(5,057,000) |
(5,106,000) |
|
| Net liability recognized |
(5,718,000) |
|
(5,686,000) |
(5,718,000) |
|
| Aggregate accumulated benefit obligation |
(5,718,000) |
(22,765,000) |
(5,686,000) |
(5,718,000) |
|
| Amounts recognized in accumulated other comprehensive income |
|
|
|
|
|
| Net actuarial (gain) loss |
(1,271,000) |
|
561,000 |
(1,271,000) |
|
| Prior service credit |
(15,197,000) |
|
|
(15,197,000) |
|
| Weighted-average assumptions used to determine benefit obligations |
|
|
|
|
|
| Discount rate (as a percent) |
4.00% |
|
3.37% |
4.00% |
|
| Weighted-average assumptions used to determine net periodic benefit cost |
|
|
|
|
|
| Discount rate (as a percent) |
|
3.65% |
4.00% |
3.90% |
|
| Other Benefits | Forecast member |
|
|
|
|
|
| Amounts in accumulated other comprehensive income expected to be recognized in components of net periodic pension cost |
|
|
|
|
|
| Net actuarial gain |
|
|
(284,000) |
|
|
| Net prior service credit |
|
|
(1,665,000) |
|
|
| Other Benefits | Predecessor |
|
|
|
|
|
| Components of net periodic benefit cost: |
|
|
|
|
|
| Service cost |
|
|
|
|
74,000 |
| Interest cost |
|
|
|
|
435,000 |
| Amortization of net gain |
|
|
|
|
88,000 |
| Amortization of prior service credit |
|
|
|
|
(448,000) |
| Net periodic benefit cost (credit) |
|
|
|
|
149,000 |
| Changes in other comprehensive loss |
|
|
|
|
|
| Net periodic benefit cost (credit) |
|
|
|
|
149,000 |
| Change in benefit obligation: |
|
|
|
|
|
| Service cost |
|
|
|
|
74,000 |
| Interest cost |
|
|
|
|
$ 435,000 |
| Weighted-average assumptions used to determine net periodic benefit cost |
|
|
|
|
|
| Discount rate (as a percent) |
|
|
|
|
4.42% |