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Retirement Plan | 12 Months Ended
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Dec. 31, 2022
Retirement Plan | (7) Retirement Plan Landstar sponsors an Internal Revenue Code section 401(k) defined contribution plan for the benefit of U.S. domiciled full-time employees who have completed three months of service. The Company reduced the employee service requirement to three months of service as of January 1, 2022. Eligible employees make voluntary contributions up to 75% of their base salary, subject to certain limitations. Landstar contributes an amount equal to 100% of the first 3% and 50% of the next 2% of such contributions, subject to certain limitations. The expense for the Company-sponsored defined contribution plan included in selling, general and administrative expense was $2,716,000 in fiscal year 2022, $2,374,000 in fiscal year 2021 and $2,417,000 in fiscal year 2020.

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