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Postretirement benefits other than pensions (Other Postretirement Benefit Plans, Defined Benefit) | 12 Months Ended
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Dec. 29, 2013
Other Postretirement Benefit Plans, Defined Benefit |
Defined Benefit Plan Disclosure [Line Items] |
Pension and Other Postretirement Benefits Disclosure | NOTE 9 Postretirement benefits other than pensions The company provides health care and life insurance benefits to certain retired employees who meet age and service requirements. Most of the company’s retirees contribute to the cost of these benefits and retiree contributions are increased as actual benefit costs increase. The cost of providing retiree health care and life insurance benefits is actuarially determined. The company’s policy is to fund benefits as claims and premiums are paid. The company eliminated postretirement medical and life insurance benefits for most U.S. employees under 50 years of age effective Jan. 1, 2006. The company uses a Dec. 31 measurement date for these plans. Postretirement benefit cost for health care and life insurance included the following components:
In thousands of dollars
| 2013 | 2012 | 2011
Service cost – benefits earned during the period | $ | 529 |  | $ | 545 |  | $ | 611 |
Interest cost on net benefit obligation | 5,656 |  | 7,744 |  | 9,205 |
Amortization of prior service credit | (9,165 | ) | (19,190 | ) | (19,510 | )
Amortization of actuarial loss | 1,169 |  | 1,943 |  | 5,444 |
Net periodic postretirement benefit credit | $ | (1,811 | ) | $ | (8,958 | ) | $ | (4,250 | )
The table below provides a reconciliation of benefit obligations and funded status of the company’s postretirement benefit plans:
In thousands of dollars
| Dec. 29, 2013 | Dec. 30, 2012
Change in benefit obligations |  |
Net benefit obligations at beginning of year | $ | 169,592 |  | $ | 184,131 |
Service cost | 529 |  | 545 |
Interest cost | 5,656 |  | 7,744 |
Plan participants’ contributions | 9,629 |  | 10,362 |
Plan amendments | (496 | ) | — |
Actuarial gain | (16,476 | ) | (5,877 | )
Gross benefits paid | (28,022 | ) | (29,245 | )
Federal subsidy on benefits paid | 4,169 |  | 1,932 |
Acquisitions | 2,228 |  | — |
Net benefit obligations at end of year | $ | 146,809 |  | $ | 169,592 |
Change in plan assets |  |
Fair value of plan assets at beginning of year | $ | — |  | $ | — |
Employer contributions | 18,393 |  | 18,883 |
Plan participants’ contributions | 9,629 |  | 10,362 |
Gross benefits paid | (28,022 | ) | (29,245 | )
Fair value of plan assets at end of year | $ | — |  | $ | — |
Benefit obligation at end of year | $ | 146,809 |  | $ | 169,592 |
Amounts recognized in Consolidated Balance Sheets
Accrued benefit cost—current | $ | 17,731 |  | $ | 19,655 |
Accrued benefit cost—noncurrent | $ | 129,078 |  | $ | 149,937 |
The following table summarizes the amounts recorded in accumulated other comprehensive income (loss) that have not yet been recognized as a component of net periodic postretirement benefit credit as of the dates presented (pre-tax):
In thousands of dollars |  |
| Dec. 29, 2013 | Dec. 30, 2012
Net actuarial losses | $ | (6,087 | ) | $ | (23,467 | )
Prior service credit | 16,204 |  | 24,874 |
Amounts in accumulated other comprehensive income (loss) | $ | 10,117 |  | $ | 1,407 |
The actuarial loss and prior service credit estimated to be amortized from accumulated other comprehensive loss into net periodic benefit cost in 2014 are $0.6 million and $8.4 million, respectively. Other changes in plan assets and benefit obligations recognized in other comprehensive (loss) consist of the following:
In thousands of dollars
| 2013
Current year actuarial gain | $ | 16,210 |
Change in prior service cost | 496 |
Amortization of actuarial loss | 1,169 |
Amortization of prior service credit | (9,165 | )
Total | $ | 8,710 |
Postretirement benefit costs: The following assumptions were used to determine postretirement benefit cost:
| 2013 | 2012 | 2011
Discount rate | 3.80 | % | 4.75 | % | 5.30 | %
Health care cost trend rate assumed for next year | 7.17 | % | 6.50 | % | 6.50 | %
Ultimate trend rate | 5.00 | % | 5.00 | % | 5.00 | %
Year that ultimate trend rate is reached | 2017 |  | 2016 |  | 2015 |
Benefit obligations and funded status: The following assumptions were used to determine the year-end benefit obligation:
| Dec. 29, 2013 | Dec. 30, 2012
Discount rate | 4.75 | % | 3.80 | %
Health care cost trend rate assumed for next year | 7.17 | % | 6.50 | %
Ultimate trend rate | 5.00 | % | 5.00 | %
Year that ultimate trend rate is reached | 2017 |  | 2016 |
Assumed health care cost trend rates have an effect on the amounts reported for the health care plans. The effect of a 1% change in the health care cost trend rate would result in a change of approximately $5.4 million in the 2013 postretirement benefit obligation and a $0.2 million change in the aggregate service and interest components of the 2013 expense. Cash flows: The company expects to make the following benefit payments, which reflect expected future service, and to receive the following federal subsidy benefits as appropriate:
In thousands of dollars | Benefit Payments | Subsidy Benefits
2014 | $ | 17,731 |  | $ | 2,812 |
2015 | $ | 16,857 |  | $ | 2,738 |
2016 | $ | 15,998 |  | $ | 2,649 |
2017 | $ | 15,123 |  | $ | 2,580 |
2018 | $ | 15,077 |  | $ | 2,495 |
2019-2023 | $ | 60,528 |  | $ | 10,530 |
The amounts above exclude the participants’ share of the benefit cost. The company’s policy is to fund benefits as claims and premiums are paid.

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- Definition The entire disclosure for pension and other postretirement benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -URI http://asc.fasb.org/topic&trid=2235017 + Details
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