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EMPLOYEE BENEFIT PLANS (Tables) | 6 Months Ended
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Jul. 01, 2017
Compensation and Retirement Disclosure [Abstract] |
Components of pension expense and post-retirement benefit expense | The components of net periodic pension cost included in the statement of operations were comprised of:
| Fiscal quarter ended |  | Two fiscal quarters ended
(dollars in thousands) | July 1, 2017 |  | July 2, 2016 |  | July 1, 2017 |  | July 2, 2016
Interest cost | $ | 611 |  |  | $ | 629 |  |  | $ | 1,222 |  |  | $ | 1,258 |
Expected return on plan assets | (650 | ) |  | (676 | ) |  | (1,300 | ) |  | (1,352 | )
Recognized actuarial loss | 170 |  |  | 145 |  |  | 340 |  |  | 290 |
Net periodic pension cost | $ | 131 |  |  | $ | 98 |  |  | $ | 262 |  |  | $ | 196 |
Schedule of costs and retirement plans | The components of post-retirement (benefit) cost included in the statement of operations were comprised of:
| Fiscal quarter ended |  | Two fiscal quarters ended
(dollars in thousands) | July 1, 2017 |  | July 2, 2016 |  | July 1, 2017 |  | July 2, 2016
Service cost – benefits attributed to service during the period | $ | 7 |  |  | $ | 31 |  |  | $ | 14 |  |  | $ | 62 |
Interest cost on accumulated post-retirement benefit obligation | 34 |  |  | 44 |  |  | 68 |  |  | 88 |
Amortization net actuarial gain | (76 | ) |  | (49 | ) |  | (152 | ) |  | (98 | )
Total net periodic post-retirement (benefit) cost | $ | (35 | ) |  | $ | 26 |  |  | $ | (70 | ) |  | $ | 52 |

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- Definition Tabular disclosure of the costs related to the various types of retirement plans including defined benefit pension plan cost, defined contribution plan cost, other postretirement benefit plan cost, and net periodic benefit cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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