Employee Benefit Plans (Tables)
|
12 Months Ended |
Dec. 27, 2014 |
| Postemployment Benefits [Abstract] |
|
| Obligations and Funded Status |
Obligations and Funded Status—The following
information is as of December 27, 2014 and December 28,
2013 and for the years ended December 27, 2014,
December 28, 2013 and December 29, 2012:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
2014 |
|
|
2013 |
|
| |
|
Pension
benefits |
|
|
Healthcare
& Life Ins. |
|
|
Pension
benefits |
|
|
Healthcare
& Life Ins. |
|
|
Change in benefit obligations:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Beginning of period
|
|
$ |
25,644 |
|
|
$ |
14,155 |
|
|
$ |
28,674 |
|
|
$ |
15,810 |
|
|
Service cost
|
|
|
75 |
|
|
|
106 |
|
|
|
295 |
|
|
|
236 |
|
|
Interest cost
|
|
|
1,081 |
|
|
|
493 |
|
|
|
963 |
|
|
|
513 |
|
|
Actuarial loss (gain)
|
|
|
3,798 |
|
|
|
1,992 |
|
|
|
(2,674 |
) |
|
|
(1,048 |
) |
|
Special termination benefits
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
39 |
|
|
Change in plan provision
|
|
|
— |
|
|
|
(2,553 |
) |
|
|
— |
|
|
|
— |
|
|
Benefits paid
|
|
|
(1,689 |
) |
|
|
(837 |
) |
|
|
(1,614 |
) |
|
|
(1,395 |
) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
End of period
|
|
|
28,909 |
|
|
|
13,356 |
|
|
|
25,644 |
|
|
|
14,155 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Change in fair value of plan assets:
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Beginning of period
|
|
$ |
19,074 |
|
|
$ |
— |
|
|
$ |
17,863 |
|
|
$ |
— |
|
|
Actual return on plan assets
|
|
|
526 |
|
|
|
— |
|
|
|
1,512 |
|
|
|
— |
|
|
Employer contributions
|
|
|
961 |
|
|
|
837 |
|
|
|
1,313 |
|
|
|
1,395 |
|
|
Benefits paid
|
|
|
(1,689 |
) |
|
|
(837 |
) |
|
|
(1,614 |
) |
|
|
(1,395 |
) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
End of period
|
|
|
18,872 |
|
|
|
— |
|
|
|
19,074 |
|
|
|
— |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Funded status of plans
|
|
$ |
(10,037 |
) |
|
$ |
(13,356 |
) |
|
$ |
(6,570 |
) |
|
$ |
(14,155 |
) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Current liabilities
|
|
$ |
— |
|
|
$ |
(1,041 |
) |
|
$ |
— |
|
|
$ |
(1,268 |
) |
|
Noncurrent liabilities
|
|
|
(10,037 |
) |
|
|
(12,315 |
) |
|
|
(6,570 |
) |
|
|
(12,887 |
) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Liability recognized
|
|
$ |
(10,037 |
) |
|
$ |
(13,356 |
) |
|
$ |
(6,570 |
) |
|
$ |
(14,155 |
) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Amounts recognized in accumulated other comprehensive loss:
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Net actuarial loss
|
|
$ |
9,365 |
|
|
$ |
5,904 |
|
|
$ |
4,831 |
|
|
$ |
4,139 |
|
|
Prior service cost
|
|
|
— |
|
|
|
(2,380 |
) |
|
|
— |
|
|
|
(1,346 |
) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total amount recognized
|
|
$ |
9,365 |
|
|
$ |
3,524 |
|
|
$ |
4,831 |
|
|
$ |
2,793 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Amounts Recognized in Other Comprehensive (Gain) Loss |
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
2014 |
|
|
2013 |
|
|
2012 |
|
| |
|
Pension
benefits |
|
|
Healthcare
& Life Ins. |
|
|
Pension
benefits |
|
|
Healthcare
& Life Ins. |
|
|
Pension
benefits |
|
|
Healthcare
& Life Ins. |
|
|
Amounts recognized in other comprehensive loss (income):
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Net actuarial gain (loss)
|
|
$ |
4,650 |
|
|
$ |
1,992 |
|
|
$ |
(2,838 |
) |
|
$ |
(1,048 |
) |
|
$ |
2,444 |
|
|
$ |
1,597 |
|
|
Prior service cost
|
|
|
— |
|
|
|
(2,553 |
) |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
Amortization of prior year service cost
|
|
|
— |
|
|
|
174 |
|
|
|
— |
|
|
|
180 |
|
|
|
— |
|
|
|
180 |
|
|
Curtailment benefit
|
|
|
— |
|
|
|
1,346 |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
Amortization of gain
|
|
|
(117 |
) |
|
|
(227 |
) |
|
|
(387 |
) |
|
|
(314 |
) |
|
|
(261 |
) |
|
|
(312 |
) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total amount recognized
|
|
$ |
4,533 |
|
|
$ |
732 |
|
|
$ |
(3,225 |
) |
|
$ |
(1,182 |
) |
|
$ |
2,183 |
|
|
$ |
1,465 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Components of Net Periodic Benefit Cost |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
2014 |
|
|
2013 |
|
|
2012 |
|
| |
|
Pension
benefits |
|
|
Healthcare
& Life Ins. |
|
|
Pension
benefits |
|
|
Healthcare
& Life Ins. |
|
|
Pension
benefits |
|
|
Healthcare
& Life Ins. |
|
|
Amounts recognized in other comprehensive loss (income):
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Net actuarial gain (loss)
|
|
$ |
4,650 |
|
|
$ |
1,992 |
|
|
$ |
(2,838 |
) |
|
$ |
(1,048 |
) |
|
$ |
2,444 |
|
|
$ |
1,597 |
|
|
Prior service cost
|
|
|
— |
|
|
|
(2,553 |
) |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
Amortization of prior year service cost
|
|
|
— |
|
|
|
174 |
|
|
|
— |
|
|
|
180 |
|
|
|
— |
|
|
|
180 |
|
|
Curtailment benefit
|
|
|
— |
|
|
|
1,346 |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
Amortization of gain
|
|
|
(117 |
) |
|
|
(227 |
) |
|
|
(387 |
) |
|
|
(314 |
) |
|
|
(261 |
) |
|
|
(312 |
) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total amount recognized
|
|
$ |
4,533 |
|
|
$ |
732 |
|
|
$ |
(3,225 |
) |
|
$ |
(1,182 |
) |
|
$ |
2,183 |
|
|
$ |
1,465 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Components of net periodic benefit cost:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Service cost
|
|
$ |
75 |
|
|
$ |
106 |
|
|
$ |
295 |
|
|
$ |
236 |
|
|
$ |
276 |
|
|
$ |
207 |
|
|
Interest cost
|
|
|
1,081 |
|
|
|
493 |
|
|
|
963 |
|
|
|
513 |
|
|
|
1,055 |
|
|
|
585 |
|
|
Amortization of loss
|
|
|
117 |
|
|
|
227 |
|
|
|
387 |
|
|
|
314 |
|
|
|
261 |
|
|
|
312 |
|
|
Expected return on plan assets
|
|
|
(1,378 |
) |
|
|
— |
|
|
|
(1,348 |
) |
|
|
— |
|
|
|
(1,300 |
) |
|
|
(180 |
) |
|
Curtailment benefits
|
|
|
— |
|
|
|
(1,346 |
) |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
Special termination benefits
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
39 |
|
|
|
— |
|
|
|
— |
|
|
Amortization of prior service credit
|
|
|
— |
|
|
|
(174 |
) |
|
|
— |
|
|
|
(180 |
) |
|
|
— |
|
|
|
— |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Net periodic benefit cost
|
|
$ |
(105 |
) |
|
$ |
(694 |
) |
|
$ |
297 |
|
|
$ |
922 |
|
|
$ |
292 |
|
|
$ |
924 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Weighted-Average Assumptions Used to Determine Benefit Obligations |
Assumptions—Weighted-average assumptions used to
determine the benefit obligations as of year-end 2014 and 2013
are:
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
2014 |
|
|
2013 |
|
| |
|
Pension
benefits |
|
Healthcare
& Life Ins. |
|
|
Pension
benefits |
|
Healthcare
& Life Ins. |
|
|
Discount rate
|
|
3.50% - 3.65% |
|
|
3.52 |
% |
|
4.21% - 4.46% |
|
|
4.33 |
% |
|
Expected long-term rate of return on plan assets
|
|
7.30% |
|
|
N/A |
|
|
7.50% |
|
|
N/A |
|
|
| Weighted-Average Assumptions Used to Determine Net Periodic Benefit Cost |
Weighted-average assumptions used to determine net periodic benefit
cost for years ended December 27, 2014, December 28, 2013
and December 29, 2012:
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
2014 |
|
2013 |
|
2012 |
| |
|
Pension
benefits |
|
Healthcare
& Life Ins. |
|
Pension
benefits |
|
Healthcare
& Life Ins. |
|
Pension
benefits |
|
Healthcare
& Life Ins. |
|
Discount rate
|
|
4.21% - 4.46% |
|
4.33% |
|
3.30% - 3.57% |
|
3.41% |
|
3.89% - 4.07% |
|
4.00% |
|
Expected long-term rate of return on plan assets
|
|
7.50% |
|
N/A |
|
7.50% |
|
N/A |
|
7.50% |
|
N/A |
|
| Effects of One Percentage-Point Change in Assumed Health Care Cost Trend Rates |
A one percentage-point change in assumed health care cost trend
rates would have the following effects as of year-end 2014 and
2013:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
2014 |
|
|
2013 |
|
| |
|
Increase |
|
|
Decrease |
|
|
Increase |
|
|
Decrease |
|
|
Total service cost and interest cost components
|
|
$ |
39 |
|
|
$ |
(34 |
) |
|
$ |
66 |
|
|
$ |
(55 |
) |
|
APBO
|
|
|
1,333 |
|
|
|
(1,136 |
) |
|
|
1,251 |
|
|
|
(1,073 |
) |
|
| Fair Value of Company's Pension Plans' Assets |
The fair value of the Plans’ assets by asset class and fair
value hierarchy level as of December 27, 2014 and
December 28, 2013 are as follows:
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
2014 |
|
| |
|
Total fair
value |
|
|
Quoted prices in active
markets for identical
assets (Level 1) |
|
|
Observable
inputs (Level 2) |
|
|
Fixed income securities:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Intermediate - government
|
|
$ |
1,468 |
|
|
$ |
— |
|
|
$ |
1,468 |
|
|
Intermediate - corporate
|
|
|
3,342 |
|
|
|
— |
|
|
|
3,342 |
|
|
Short-term - government
|
|
|
2,435 |
|
|
|
— |
|
|
|
2,435 |
|
|
Short-term - corporate
|
|
|
3,700 |
|
|
|
— |
|
|
|
3,700 |
|
|
Equity securities:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
U.S. Large cap value
|
|
|
1,180 |
|
|
|
1,180 |
|
|
|
— |
|
|
U.S. Large cap growth
|
|
|
1,173 |
|
|
|
1,173 |
|
|
|
— |
|
|
U.S. Mid cap value
|
|
|
590 |
|
|
|
590 |
|
|
|
— |
|
|
U.S. Mid cap growth
|
|
|
598 |
|
|
|
598 |
|
|
|
— |
|
|
U.S. Small cap value
|
|
|
597 |
|
|
|
597 |
|
|
|
— |
|
|
U.S. Small cap growth
|
|
|
611 |
|
|
|
611 |
|
|
|
— |
|
|
International
|
|
|
1,098 |
|
|
|
1,098 |
|
|
|
— |
|
|
Cash
|
|
|
1,712 |
|
|
|
1,712 |
|
|
|
— |
|
|
Precious metals
|
|
|
368 |
|
|
|
368 |
|
|
|
— |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total
|
|
$ |
18,872 |
|
|
$ |
7,927 |
|
|
$ |
10,945 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
2013 |
|
| |
|
Total fair
value |
|
|
Quoted prices in active
markets for identical
assets (Level 1) |
|
|
Observable
inputs (Level 2) |
|
|
Fixed income securities:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Intermediate - government
|
|
$ |
1,647 |
|
|
$ |
— |
|
|
$ |
1,647 |
|
|
Intermediate - corporate
|
|
|
3,138 |
|
|
|
— |
|
|
|
3,138 |
|
|
Short-term - government
|
|
|
2,168 |
|
|
|
— |
|
|
|
2,168 |
|
|
Short-term - corporate
|
|
|
4,040 |
|
|
|
— |
|
|
|
4,040 |
|
|
Equity securities:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
U.S. Large cap value
|
|
|
1,221 |
|
|
|
1,221 |
|
|
|
— |
|
|
U.S. Large cap growth
|
|
|
1,536 |
|
|
|
1,536 |
|
|
|
— |
|
|
U.S. Mid cap value
|
|
|
600 |
|
|
|
600 |
|
|
|
— |
|
|
U.S. Mid cap growth
|
|
|
603 |
|
|
|
603 |
|
|
|
— |
|
|
U.S. Small cap value
|
|
|
610 |
|
|
|
610 |
|
|
|
— |
|
|
U.S. Small cap growth
|
|
|
599 |
|
|
|
599 |
|
|
|
— |
|
|
International
|
|
|
889 |
|
|
|
889 |
|
|
|
— |
|
|
Cash
|
|
|
1,665 |
|
|
|
1,665 |
|
|
|
— |
|
|
Precious metals
|
|
|
358 |
|
|
|
358 |
|
|
|
— |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total
|
|
$ |
19,074 |
|
|
$ |
8,081 |
|
|
$ |
10,993 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Estimated Benefit Payments |
The estimated benefit payments for each of the next five years
and the five-year period thereafter are as follows:
|
|
|
|
|
|
|
|
|
| |
|
Pension
benefits |
|
|
Healthcare and Life
Insurance Benefits |
|
|
2015
|
|
$ |
1,715 |
|
|
$ |
1,041 |
|
|
2016
|
|
|
1,743 |
|
|
|
1,015 |
|
|
2017
|
|
|
1,740 |
|
|
|
893 |
|
|
2018
|
|
|
1,773 |
|
|
|
893 |
|
|
2019
|
|
|
1,777 |
|
|
|
823 |
|
|
2020 - 2024
|
|
|
8,524 |
|
|
|
3,912 |
|
|
|
|
|
|
|
|
|
|
|
Total
|
|
$ |
17,272 |
|
|
$ |
8,577 |
|
|
|
|
|
|
|
|
|
|
|