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Employee Benefit Plans, Deferred Compensation Plan and Retirement Benefit Plan (Tables) | 12 Months Ended
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Dec. 28, 2020
Compensation And Retirement Disclosure [Abstract] |
Changes in Benefit Obligation and Plan Assets in Defined Benefit Plan | The following tables set forth the changes in benefit obligation and the plan assets in the defined benefit plan described above for the years ended December 28, 2020, December 30, 2019 and December 31, 2018:
|  | For the Year Ended |
Change in Benefit Obligations |  | December 28, 2020 |  |  | December 30, 2019 |  |  | December 31, 2018 |
|  | (In thousands) |
Benefit obligation at beginning of year |  | $ | (30,600 | ) |  | $ | (27,661 | ) |  | $ | (27,525 | )
Service cost |  |  | — |  |  |  | (397 | ) |  |  | (292 | )
Interest cost |  |  | (907 | ) |  |  | (1,109 | ) |  |  | (758 | )
Amendments/curtailments/special termination |  |  | — |  |  |  | 1,636 |  |  |  | — |
Actuarial (loss) gain |  |  | (3,146 | ) |  |  | (4,174 | ) |  |  | 264 |
Benefits paid |  |  | 1,183 |  |  |  | 1,105 |  |  |  | 650 |
Benefit obligation at end of year |  | $ | (33,470 | ) |  | $ | (30,600 | ) |  | $ | (27,661 | )
Accumulated benefit obligation at end of year |  | $ | 33,470 |  |  | $ | 30,600 |  |  | $ | 26,191 |
|  | For the Year Ended |
Change in Plan Assets |  | December 28, 2020 |  |  | December 30, 2019 |  |  | December 31, 2018 |
|  | (In thousands) |
Fair value of plan assets at beginning of year |  | $ | 21,287 |  |  | $ | 18,251 |  |  | $ | 19,643 |
Actual return on plan assets |  |  | 2,704 |  |  |  | 3,346 |  |  |  | (1,021 | )
Employer contributions |  |  | 676 |  |  |  | 795 |  |  |  | 279 |
Benefits paid |  |  | (1,183 | ) |  |  | (1,105 | ) |  |  | (650 | )
Fair value of plan assets at end of year |  | $ | 23,484 |  |  | $ | 21,287 |  |  | $ | 18,251 |
Unfunded status |  | $ | (9,986 | ) |  | $ | (9,313 | ) |  | $ | (9,410 | )
Net amount recognized |  | $ | (9,986 | ) |  | $ | (9,313 | ) |  | $ | (9,410 | )
Schedule of Amounts Before Income Tax Effect Recognized in Consolidated Balance Sheets | Amounts before income tax effect recognized in the consolidated balance sheets consists of the following:
|  | As of |  |  | As of |  |
|  | December 28, 2020 |  |  | December 30, 2019 |  |
|  | (In thousands) |  |
Other long-term liabilities |  | $ | (9,986 | ) |  | $ | (9,313 | ) |
Net amount recognized |  | $ | (9,986 | ) |  | $ | (9,313 | ) |
Schedule of Amounts Before Income Tax Effect Included in Accumulated Other Comprehensive Loss | Amounts before income tax effect included in accumulated other comprehensive loss as of December 28, 2020 and December 30, 2019 are as follows:
|  | December 28, 2020 |  |  | December 30, 2019 |  |
|  | (In thousands) |  |
Net actuarial loss |  | $ | (3,811 | ) |  | $ | (2,097 | ) |
Accumulated other comprehensive loss |  | $ | (3,811 | ) |  | $ | (2,097 | ) |
Schedule of Components Included in Net Periodic Benefit Cost and Increase in Minimum Liability Included in Other Comprehensive Loss | The components included in the net periodic benefit cost and the increase in minimum liability included in other comprehensive loss for the years ended December 28, 2020, December 30, 2019 and December 31, 2018 are as follows:
|  | December 28, 2020 |  |  | December 30, 2019 |  |  | December 31, 2018 |  |
|  | (In thousands) |  |
Service cost |  | $ | — |  |  | $ | 397 |  |  | $ | 292 |  |
Interest cost |  |  | 907 |  |  |  | 1,109 |  |  |  | 758 |  |
Expected return on plan assets |  |  | (1,272 | ) |  |  | (1,228 | ) |  |  | (920 | ) |
Net periodic benefit cost |  | $ | (365 | ) |  | $ | 278 |  |  | $ | 130 |  |
Schedule of Weighted-Average Assumptions | The weighted-average assumptions used to determine benefit obligations for this plan as of December 28, 2020, December 30, 2019 and December 31, 2018 are as follows:
|  | December 28, 2020 |  |  | December 30, 2019 |  |  | December 31, 2018 |  |
Discount rate |  |  | 2.20 |  | % |  | 3.02 |  | % |  | 4.09 |  | %
Rate of compensation increase |  |  | — |  |  |  | 3.20 |  |  |  | 3.20 |  |
Expected return on plan assets |  |  | 5.50 |  |  |  | 6.00 |  |  |  | 6.75 |  |
The weighted-average assumptions used to determine net periodic benefit cost for the years ended December 28, 2020, December 30, 2019 and December 31, 2018 are as follows:
|  | For the Year Ended |  |
|  | December 28, 2020 |  |  | December 30, 2019 |  |  | December 31, 2018 |  |
Discount rate |  |  | 3.02 |  | % |  | 4.09 |  | % |  | 3.96 |  | %
Rate of compensation increase |  |  | — |  |  |  | 3.20 |  |  |  | 3.20 |  |
Expected return on plan assets |  |  | 6.00 |  |  |  | 6.75 |  |  |  | 6.75 |  |
Schedule of Plan Target Allocation and Asset Allocation | The target allocation for 2021 and the plan asset allocation at the end of 2020 and 2019, in percentages, by asset category are as follows:
|  | Target Allocation 2021 |  |  |  | December 28, 2020 |  |  |  | December 30, 2019 |  |
Equity securities (1) |  |  | 67 |  | % |  |  | 68 |  | % |  |  | 66 |  | %
Debt securities (2) |  |  | 30 |  |  |  |  | 30 |  |  |  |  | 31 |  |
Cash and cash equivalents (3) |  |  | 3 |  |  |  |  | 2 |  |  |  |  | 3 |  |
Total |  |  | 100 |  | % |  |  | 100 |  | % |  |  | 100 |  | %
Summarizes Plan Assets Measured at Fair Value | The following table summarizes plan assets measured at fair value as of December 28, 2020 and December 30, 2019:
|  | As of |
|  | December 28, 2020 |
|  | Total |  |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  | Significant Observable Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level 3) |
|  | (In thousands) |
Equity securities (1) |  | $ | 15,922 |  |  | $ | 15,922 |  |  | $ | — |  |  | $ | — |
Debt securities (2) |  |  | 7,015 |  |  |  | 7,015 |  |  |  | — |  |  |  | — |
Cash and cash equivalents (3) |  |  | 547 |  |  |  | 547 |  |  |  | — |  |  |  | — |
Total |  | $ | 23,484 |  |  | $ | 23,484 |  |  | $ | — |  |  | $ | — |
|  | As of |
|  | December 30, 2019 |
|  | Total |  |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  | Significant Observable Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level 3) |
|  | (In thousands) |
Equity securities (1) |  | $ | 14,131 |  |  | $ | 14,131 |  |  | $ | — |  |  | $ | — |
Debt securities (2) |  |  | 6,488 |  |  |  | 6,488 |  |  |  | — |  |  |  | — |
Cash and cash equivalents (3) |  |  | 668 |  |  |  | 668 |  |  |  | — |  |  |  | — |
Total |  | $ | 21,287 |  |  | $ | 21,287 |  |  | $ | — |  |  | $ | — |
(1) | Equity securities include U.S. and foreign exchange traded common and preferred stocks and mutual funds. Common and preferred shares issued by U.S. and non-U.S. corporations are traded actively on exchanges and price quotes for these shares are readily available. Holdings of corporate stock are categorized as Level 1 investments.
(2) | Debt securities include the debt of the U.S. Treasury and U.S. and foreign corporate issuers. U.S. Treasury notes and bonds are actively traded and price quotes for these securities are readily available. Holdings of U.S. Treasury notes and bonds are categorized as Level 1 investments.
(3) | Cash and cash equivalents include short-term U.S. government investment notes, short-term money market mutual funds, accrued income and cash held on account. Cash held on account and short- term U.S. government investment notes (including accrued income thereon) for which there is an active market and daily pricing for the security are categorized as Level 1 investments.
Schedule of Expected Future Service Benefits Payments | The following benefit payments, which reflect expected future service, as appropriate, are expected to be paid:
|  | (In thousands) |
2021 |  | $ | 1,294 |
2022 |  |  | 1,335 |
2023 |  |  | 1,421 |
2024 |  |  | 1,514 |
2025 |  |  | 1,572 |
Years 2026 through 2030 |  |  | 8,513 |

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