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Employee Retirement Plans (Tables) | 6 Months Ended
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Jun. 29, 2024
Employee Retirement Plans [Abstract] |
Schedule of Costs of Retirement Plans [Table Text Block] | The following table summarizes the company's net periodic pension benefit related to the AGA Group pension plans (in thousands):
|  | Three Months Ended |  | Six Months Ended
|  | Jun 29, 2024 |  | Jul 1, 2023 |  | Jun 29, 2024 |  | Jul 1, 2023
Net Periodic Pension Benefit: |  |  |  |  |  |  |  |
Interest cost |  | $ | 10,809 |  |  | $ | 11,476 |  |  | $ | 21,589 |  |  | $ | 22,614 |
Expected return on assets |  | (15,340) |  |  | (14,652) |  |  | (30,637) |  |  | (28,871) |
Amortization of net loss |  | 13 |  |  | 7 |  |  | 26 |  |  | 14 |
Amortization of prior service cost |  | 660 |  |  | 651 |  |  | 1,319 |  |  | 1,282 |
|  | $ | (3,858) |  |  | $ | (2,518) |  |  | $ | (7,703) |  |  | $ | (4,961) |

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- Definition Employee Retirement Plans [Abstract] + References No definition available. + Details
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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://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 20 -Topic 715 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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