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Pension Plans and Other Postretirement Benefits | 9 Months Ended
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Jun. 29, 2019
Defined Benefit Pension Plans And Defined Benefit Postretirement Plans Disclosure [Abstract] |
Pension Plans and Other Postretirement Benefits |
1 4. | Pension Plans and Other Postretirement Benefits
The following table provides the components of net periodic benefit costs:
|  | Pension Benefits |
|  | Three Months Ended |  |  | Nine Months Ended |
|  | June 29, |  |  | June 30, |  |  | June 29, |  |  | June 30, |
|  | 2019 |  |  | 2018 |  |  | 2019 |  |  | 2018 |
Interest cost |  | $ | 987 |  |  | $ | 943 |  |  | $ | 2,958 |  |  | $ | 2,833 |
Expected return on plan assets |  |  | (432 | ) |  |  | (473 | ) |  |  | (1,293 | ) |  |  | (1,420 | )
Amortization of net loss |  |  | 867 |  |  |  | 920 |  |  |  | 2,600 |  |  |  | 2,762 |
Net periodic benefit cost |  | $ | 1,422 |  |  | $ | 1,390 |  |  | $ | 4,265 |  |  | $ | 4,175 |
|  | Postretirement Benefits |
|  | Three Months Ended |  |  | Nine Months Ended |
|  | June 29, |  |  | June 30, |  |  | June 29, |  |  | June 30, |
|  | 2019 |  |  | 2018 |  |  | 2019 |  |  | 2018 |
Interest cost |  | $ | 69 |  |  | $ | 69 |  |  | $ | 206 |  |  | $ | 208 |
Amortization of prior service credits |  |  | (125 | ) |  |  | (124 | ) |  |  | (374 | ) |  |  | (374 | )
Amortization of net (gain) |  |  | (190 | ) |  |  | (163 | ) |  |  | (570 | ) |  |  | (491 | )
Net periodic benefit cost |  | $ | (246 | ) |  | $ | (218 | ) |  | $ | (738 | ) |  | $ | (657 | )
The Partnership expects to contribute approximately $5,350 to the defined benefit pension plan during fiscal 2019, of which $4,335 was contributed during the nine months ended June 29, 2019. The projected annual contribution requirements related to the Partnership’s postretirement health care and life insurance benefit plan for fiscal 2019 is $1,129, of which $718 was contributed during the nine months ended June 29, 2019. The components of net periodic benefit cost are included in the line item Other, net in the condensed consolidated statements of operations. The Partnership contributes to multi-employer pension plans (“MEPPs”) in accordance with various collective bargaining agreements covering union employees. As one of the many participating employers in these MEPPs, the Partnership is responsible with the other participating employers for any plan underfunding. As of June 29, 2019 and September 29, 2018, the Partnership’s estimated obligation to these MEPPs was $21,710 and $22,509, respectively, as a result of its voluntary full withdrawal from certain MEPPs.

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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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