Information Regarding Reportable Business Segments (Detail) - USD ($) $ in Thousands	3 Months Ended
Apr. 01, 2023	Mar. 26, 2022	Dec. 31, 2022
Segment Reporting Information [Line Items]
External revenue	$ 1,435,675	$ 1,970,599
Internal revenue	11,961	12,884
Investment income	1,368	721
Operating income	101,284	162,833
Expenditures on long-lived assets	6,233	3,609
Goodwill	41,726	40,945	$ 41,220
Transportation Logistics
Segment Reporting Information [Line Items]
External revenue	1,416,846	1,951,339
Operating income	86,162	151,946
Expenditures on long-lived assets	6,233	3,609
Goodwill	41,726	40,945
Insurance
Segment Reporting Information [Line Items]
External revenue	18,829	19,260
Internal revenue	11,961	12,884
Investment income	1,368	721
Operating income	$ 15,122	$ 10,887

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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