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Pension and Other Post-Retirement Benefit Plans | 6 Months Ended
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Jul. 01, 2017
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 |  | Six Months Ended
| July 1, 2017 |  | June 25, 2016 |  | July 1, 2017 |  | June 25, 2016
| (in thousands)
Service cost | $ | 774 |  |  | $ | 639 |  |  | $ | 1,528 |  |  | $ | 1,193 |
Interest cost | 2,939 |  |  | 3,220 |  |  | 5,765 |  |  | 6,584 |
Expected return on plan assets | (3,485 | ) |  | (3,998 | ) |  | (6,935 | ) |  | (7,990 | )
Amortization of prior service credit | (139 | ) |  | (144 | ) |  | (258 | ) |  | (288 | )
Amortization of net loss | 1,047 |  |  | 545 |  |  | 2,013 |  |  | 1,091 |
Net periodic cost | $ | 1,136 |  |  | $ | 262 |  |  | $ | 2,113 |  |  | $ | 590 |
The net periodic cost for the Company’s post-retirement benefit plan for the three and six months ended July 1, 2017 and June 25, 2016 was not significant.

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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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