v3.26.1
Segment Reporting - Summary of Company's Reportable Segment Information (Detail) - USD ($)
 3 Months Ended 6 Months Ended
Jul. 04, 2026
Jun. 28, 2025
Jul. 04, 2026
Jun. 29, 2025
Jun. 28, 2025
Segment Reporting Information [Line Items]          
Total operating revenues $ 379,323,000 [1] $ 393,794,000 [2] $ 746,898,000 [3] $ 776,183,000 [4] $ 776,183,000
Operating expenses:          
Purchased transportation and equipment rent 67,014,000 81,508,000 127,692,000 161,251,000 161,251,000
Direct personnel and related benefits 164,798,000 168,032,000 341,002,000 332,533,000 332,533,000
Operating supplies and expenses 56,287,000 50,358,000 104,614,000 101,669,000 101,669,000
Commission expense 4,468,000 4,395,000 8,653,000 8,651,000 8,651,000
Occupancy expense 16,264,000 11,803,000 31,823,000 23,056,000 23,056,000
Depreciation and amortization 33,184,000 36,203,000 68,827,000 71,691,000 71,691,000
Other segment expenses (7,829,000) [5] 21,602,000 [6] 14,373,000 [7] 41,759,000 [8]  
Total operating expenses 334,186,000 373,901,000 696,984,000 740,610,000 740,610,000
Income from operations 45,137,000 19,893,000 49,914,000 35,573,000 $ 35,573,000
Operating Segments [Member] | Contract Logistics [Member]          
Segment Reporting Information [Line Items]          
Total operating revenues 271,424,000 [1] 260,556,000 [2] 540,957,000 [3] 516,448,000 [4]  
Operating expenses:          
Purchased transportation and equipment rent 1,044,000 2,183,000 1,965,000 5,583,000  
Direct personnel and related benefits 148,677,000 150,888,000 307,641,000 295,910,000  
Operating supplies and expenses 44,836,000 40,650,000 83,980,000 81,899,000  
Commission expense 0 4,000 0 20,000  
Occupancy expense 11,289,000 7,032,000 22,565,000 14,151,000  
Depreciation and amortization 21,132,000 21,835,000 43,456,000 42,558,000  
Other segment expenses 19,847,000 [5] 16,194,000 [6] 39,279,000 [7] 30,698,000 [8]  
Total operating expenses 246,825,000 238,786,000 498,886,000 470,819,000  
Income from operations 24,599,000 21,770,000 42,071,000 45,629,000  
Operating Segments [Member] | Intermodal [Member]          
Segment Reporting Information [Line Items]          
Total operating revenues 44,077,000 [1] 68,914,000 [2] 91,931,000 [3] 139,610,000 [4]  
Operating expenses:          
Purchased transportation and equipment rent 14,825,000 29,443,000 32,455,000 62,439,000  
Direct personnel and related benefits 14,185,000 15,171,000 29,606,000 33,123,000  
Operating supplies and expenses 10,873,000 10,023,000 20,360,000 20,059,000  
Commission expense 896,000 587,000 1,566,000 1,170,000  
Occupancy expense 4,114,000 5,209,000 9,970,000 9,971,000  
Depreciation and amortization 4,472,000 7,816,000 9,500,000 15,040,000  
Other segment expenses 5,162,000 [5] 6,341,000 [6] 12,040,000 [7] 14,193,000 [8]  
Total operating expenses 54,527,000 74,590,000 115,497,000 155,995,000  
Income from operations (10,450,000) (5,676,000) (23,566,000) (16,385,000)  
Operating Segments [Member] | Trucking [Member]          
Segment Reporting Information [Line Items]          
Total operating revenues 63,822,000 [1] 64,069,000 [2] 114,010,000 [3] 119,652,000 [4]  
Operating expenses:          
Purchased transportation and equipment rent 47,922,000 47,208,000 85,822,000 88,252,000  
Direct personnel and related benefits 1,936,000 1,973,000 3,755,000 3,500,000  
Operating supplies and expenses 1,996,000 2,933,000 3,541,000 5,394,000  
Commission expense 3,572,000 3,804,000 7,087,000 7,461,000  
Occupancy expense 91,000 67,000 150,000 104,000  
Depreciation and amortization 2,965,000 2,189,000 5,846,000 4,395,000  
Other segment expenses 2,485,000 [5] 2,555,000 [6] 4,388,000 [7] 5,016,000 [8]  
Total operating expenses 60,967,000 60,729,000 110,589,000 114,122,000  
Income from operations 2,855,000 3,340,000 3,421,000 5,530,000  
Other [Member]          
Segment Reporting Information [Line Items]          
Total operating revenues 0 [1],[9] 255,000 [2],[10] 0 [3],[11] 473,000 [4],[12]  
Operating expenses:          
Purchased transportation and equipment rent 3,223,000 [9] 2,674,000 [10] 7,450,000 [11] 4,977,000 [12]  
Direct personnel and related benefits 0 [9] 0 [10] 0 [11] 0 [12]  
Operating supplies and expenses (1,418,000) [9] (3,248,000) [10] (3,267,000) [11] (5,683,000) [12]  
Commission expense 0 [9] 0 [10] 0 [11] 0 [12]  
Occupancy expense 770,000 [9] (505,000) [10] (862,000) [11] (1,170,000) [12]  
Depreciation and amortization 4,615,000 [9] 4,363,000 [10] 10,025,000 [11] 9,698,000 [12]  
Other segment expenses (35,323,000) [5],[9] (3,488,000) [6],[10] (41,334,000) [7],[11] (8,148,000) [8],[12]  
Total operating expenses (28,133,000) [9] (204,000) [10] (27,988,000) [11] (326,000) [12]  
Income from operations $ 28,133,000 [9] $ 459,000 [10] $ 27,988,000 [11] $ 799,000 [12]  
[1] Total operating revenues are presented net of intersegment revenues eliminated in consolidation. Intersegment revenues eliminated in consolidation were $0.1 million in contract logistics, $0.2 million in intermodal and $0.0 million in trucking.
[2] Total operating revenues are presented net of intersegment revenues eliminated in consolidation. Intersegment revenues eliminated in consolidation were $0.1 million in contract logistics, $1.1 million in intermodal and $0.0 million in trucking.
[3] Total operating revenues are presented net of intersegment revenues eliminated in consolidation. Intersegment revenues eliminated in consolidation were $0.5 million in contract logistics, $1.1 million in intermodal and $0.1 million in trucking.
[4] Total operating revenues are presented net of intersegment revenues eliminated in consolidation. Intersegment revenues eliminated in consolidation were $0.2 million in contract logistics, $2.2 million in intermodal and $0.0 million in trucking.
[5] Other segment items primarily include general and administrative expense, insurance and claims expense, gains on disposals of property and equipment, impairment expense and other corporate allocations.
[6] Other segment items primarily include general and administrative expense, insurance and claims expense, gains on disposals of property and equipment, and other corporate allocations.
[7] Other segment items primarily include general and administrative expense, insurance and claims expense, gains on disposals of property and equipment, impairment expense and other corporate allocations.
[8] Other segment items primarily include general and administrative expense, insurance and claims expense, gains on disposals of property and equipment, and other corporate allocations.
[9] Credits within other non-reportable include allocations and eliminations to the other reportable segments.
[10] Credits within other non-reportable include allocations and eliminations to the other reportable segments.
[11] Credits within other non-reportable include allocations and eliminations to the other reportable segments.
[12] Credits within other non-reportable include allocations and eliminations to the other reportable segments.