Supplemental Retirement Plan and Related Post Retirement Benefits - Summary of the Components of Net Periodic Cost (Details) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
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Sep. 28, 2019
USD ($)
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Sep. 29, 2018
USD ($)
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Sep. 28, 2019
USD ($)
retirement_plan
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Sep. 29, 2018
USD ($)
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| Retirement Benefits [Abstract] | ||||
| Number of non-qualified supplemental retirement defined benefit plans | retirement_plan | 2 | |||
| SERP | ||||
| Defined Benefit Plan Disclosure | ||||
| Service Cost | $ 45 | $ 50 | $ 136 | $ 150 |
| Interest Cost | 229 | 225 | 687 | 675 |
| Amortization of Prior Service Cost | 97 | 97 | 290 | 291 |
| Amortization of Net Actuarial Losses | 74 | 157 | 224 | 471 |
| Net Periodic Cost | 445 | 529 | 1,337 | 1,587 |
| SERP | SERP Medical | ||||
| Defined Benefit Plan Disclosure | ||||
| Service Cost | 3 | 4 | 10 | 12 |
| Interest Cost | 12 | 11 | 35 | 34 |
| Amortization of Prior Service Cost | 4 | 4 | 12 | 12 |
| Amortization of Net Actuarial Losses | 11 | 15 | 32 | 44 |
| Net Periodic Cost | $ 30 | $ 34 | $ 89 | $ 102 |
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- References No definition available.
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- References No definition available.
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- Definition Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of prior service cost (credit) recognized in net periodic benefit cost (credit) of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of cost recognized for passage of time related to defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of net periodic benefit cost (credit) for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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