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PENSION AND OTHER POST-RETIREMENT BENEFIT PLANS | 9 Months Ended
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Sep. 28, 2019
Retirement Benefits [Abstract] |
PENSION AND OTHER POST-RETIREMENT BENEFIT PLANS | PENSION AND OTHER POST-RETIREMENT BENEFIT PLANS The following table provides the components of net periodic cost for the Company’s pension, deferred compensation and executive supplemental life insurance retirement plans:
| Three Months Ended |  | Nine Months Ended
| September 28, 2019 |  | September 29, 2018 |  | September 28, 2019 |  | September 29, 2018
| (in thousands)
Service cost | $ | 701 |  |  | $ | 814 |  |  | $ | 2,088 |  |  | $ | 2,629 |
Interest cost | 2,902 |  |  | 2,752 |  |  | 8,652 |  |  | 8,241 |
Expected return on plan assets | (3,236 | ) |  | (3,801 | ) |  | (9,706 | ) |  | (11,690 | )
Amortization of prior service cost (credit) | 92 |  |  | (135 | ) |  | 274 |  |  | (406 | )
Amortization of net loss | 489 |  |  | 736 |  |  | 1,466 |  |  | 2,267 |
Net periodic cost | $ | 948 |  |  | $ | 366 |  |  | $ | 2,774 |  |  | $ | 1,041 |
Service cost is recorded as an operating expense within the accompanying unaudited condensed consolidated statements of income. All other components of net periodic costs are recorded in Other income, net in the accompanying unaudited condensed consolidated statements of income. The net periodic cost for the Company’s other post-retirement benefit plan for the three and nine months ended September 28, 2019 and September 29, 2018 was not significant.

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