REPORTABLE SEGMENTS (Details) - USD ($) | 3 Months Ended | 6 Months Ended |
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021 |
Segment Reporting Information, Profit (Loss) [Abstract] | | | | |
Gain on sale of equipment | | | $ 9,100,000 | $ 7,700,000 |
Total revenue | $ 481,300,000 | $ 404,000,000 | 902,300,000 | 737,900,000 |
Operating income (loss) | 32,800,000 | 45,300,000 | 51,000,000 | 53,400,000 |
Depreciation | 21,000,000 | 20,400,000 | 40,900,000 | 40,900,000 |
Amortization of intangible assets | 1,700,000 | 1,800,000 | 3,400,000 | 3,500,000 |
Restructuring | 600,000 | 100,000 | 1,200,000 | 100,000 |
Non-cash operating lease expense | (100,000) | (400,000) | (100,000) | (800,000) |
Interest expense | 7,500,000 | 7,600,000 | 14,600,000 | 18,700,000 |
Income (loss) before income tax | 25,400,000 | 46,000,000 | 41,800,000 | 37,900,000 |
Capital expenditures | 50,400,000 | 27,600,000 | 66,500,000 | 47,200,000 |
Company freight | | | | |
Segment Reporting Information, Profit (Loss) [Abstract] | | | | |
Total revenue | 167,800,000 | 163,600,000 | 323,800,000 | 308,700,000 |
Owner operator freight | | | | |
Segment Reporting Information, Profit (Loss) [Abstract] | | | | |
Total revenue | 137,900,000 | 129,100,000 | 267,700,000 | 234,200,000 |
Brokerage | | | | |
Segment Reporting Information, Profit (Loss) [Abstract] | | | | |
Total revenue | 91,900,000 | 66,700,000 | 170,100,000 | 115,200,000 |
Logistics | | | | |
Segment Reporting Information, Profit (Loss) [Abstract] | | | | |
Total revenue | 14,000,000 | 10,700,000 | 25,400,000 | 19,200,000 |
Fuel surcharge | | | | |
Segment Reporting Information, Profit (Loss) [Abstract] | | | | |
Total revenue | 69,700,000 | 33,900,000 | 115,300,000 | 60,600,000 |
Corporate/Eliminations | | | | |
Segment Reporting Information, Profit (Loss) [Abstract] | | | | |
Total revenue | (3,300,000) | (3,000,000) | (5,900,000) | (6,300,000) |
Operating income (loss) | (14,500,000) | (6,600,000) | (29,800,000) | (20,000,000) |
Depreciation | 500,000 | 200,000 | 700,000 | 600,000 |
Amortization of intangible assets | 0 | 0 | 0 | 0 |
Restructuring | 200,000 | 0 | 700,000 | 0 |
Non-cash operating lease expense | 0 | 0 | 0 | 0 |
Interest expense | 5,400,000 | 5,400,000 | 10,500,000 | 12,700,000 |
Capital expenditures | 13,300,000 | 6,400,000 | 18,200,000 | 6,400,000 |
Corporate/Eliminations | Company freight | | | | |
Segment Reporting Information, Profit (Loss) [Abstract] | | | | |
Total revenue | (2,600,000) | (2,400,000) | (4,600,000) | (4,800,000) |
Corporate/Eliminations | Owner operator freight | | | | |
Segment Reporting Information, Profit (Loss) [Abstract] | | | | |
Total revenue | (500,000) | (500,000) | (900,000) | (1,000,000) |
Corporate/Eliminations | Brokerage | | | | |
Segment Reporting Information, Profit (Loss) [Abstract] | | | | |
Total revenue | 100,000 | (100,000) | 0 | (400,000) |
Corporate/Eliminations | Logistics | | | | |
Segment Reporting Information, Profit (Loss) [Abstract] | | | | |
Total revenue | 0 | 0 | 0 | 200,000 |
Corporate/Eliminations | Fuel surcharge | | | | |
Segment Reporting Information, Profit (Loss) [Abstract] | | | | |
Total revenue | (300,000) | (100,000) | (400,000) | (300,000) |
Flatbed | | | | |
Segment Reporting Information, Profit (Loss) [Abstract] | | | | |
Intersegment revenues and expenses | 1,000,000 | 900,000 | 1,800,000 | 1,800,000 |
Intersegment lease expenses | 0 | | 0 | |
Flatbed | Consolidated | | | | |
Segment Reporting Information, Profit (Loss) [Abstract] | | | | |
Total revenue | 216,000,000 | 180,900,000 | 411,100,000 | 334,400,000 |
Operating income (loss) | 24,600,000 | 22,900,000 | 40,500,000 | 33,900,000 |
Depreciation | 8,600,000 | 8,100,000 | 16,900,000 | 16,100,000 |
Amortization of intangible assets | 800,000 | 800,000 | 1,500,000 | 1,500,000 |
Restructuring | 0 | 0 | 0 | 0 |
Non-cash operating lease expense | (100,000) | (100,000) | 100,000 | (200,000) |
Interest expense | 800,000 | 900,000 | 1,600,000 | 2,600,000 |
Capital expenditures | 17,100,000 | 7,700,000 | 20,400,000 | 16,700,000 |
Flatbed | Consolidated | Company freight | | | | |
Segment Reporting Information, Profit (Loss) [Abstract] | | | | |
Total revenue | 42,900,000 | 47,700,000 | 84,400,000 | 92,400,000 |
Flatbed | Consolidated | Owner operator freight | | | | |
Segment Reporting Information, Profit (Loss) [Abstract] | | | | |
Total revenue | 90,200,000 | 88,900,000 | 178,300,000 | 159,900,000 |
Flatbed | Consolidated | Brokerage | | | | |
Segment Reporting Information, Profit (Loss) [Abstract] | | | | |
Total revenue | 47,600,000 | 25,300,000 | 88,800,000 | 47,500,000 |
Flatbed | Consolidated | Logistics | | | | |
Segment Reporting Information, Profit (Loss) [Abstract] | | | | |
Total revenue | 1,100,000 | 1,300,000 | 2,000,000 | 2,500,000 |
Flatbed | Consolidated | Fuel surcharge | | | | |
Segment Reporting Information, Profit (Loss) [Abstract] | | | | |
Total revenue | 34,200,000 | 17,700,000 | 57,600,000 | 32,100,000 |
Specialized | | | | |
Segment Reporting Information, Profit (Loss) [Abstract] | | | | |
Intersegment revenues and expenses | 2,600,000 | 2,000,000 | 4,500,000 | 4,300,000 |
Intersegment lease expenses | 100,000 | | 100,000 | |
Specialized | Consolidated | | | | |
Segment Reporting Information, Profit (Loss) [Abstract] | | | | |
Total revenue | 268,600,000 | 226,100,000 | 497,100,000 | 409,800,000 |
Operating income (loss) | 22,700,000 | 29,000,000 | 40,300,000 | 39,500,000 |
Depreciation | 11,900,000 | 12,100,000 | 23,300,000 | 24,200,000 |
Amortization of intangible assets | 900,000 | 1,000,000 | 1,900,000 | 2,000,000 |
Restructuring | 400,000 | 100,000 | 500,000 | 100,000 |
Non-cash operating lease expense | 0 | (300,000) | 0 | (600,000) |
Interest expense | 1,300,000 | 1,300,000 | 2,500,000 | 3,400,000 |
Capital expenditures | 20,000,000 | 13,500,000 | 27,900,000 | 24,100,000 |
Specialized | Consolidated | Company freight | | | | |
Segment Reporting Information, Profit (Loss) [Abstract] | | | | |
Total revenue | 127,500,000 | 118,300,000 | 244,000,000 | 221,100,000 |
Specialized | Consolidated | Owner operator freight | | | | |
Segment Reporting Information, Profit (Loss) [Abstract] | | | | |
Total revenue | 48,200,000 | 40,700,000 | 90,300,000 | 75,300,000 |
Specialized | Consolidated | Brokerage | | | | |
Segment Reporting Information, Profit (Loss) [Abstract] | | | | |
Total revenue | 44,200,000 | 41,500,000 | 81,300,000 | 68,100,000 |
Specialized | Consolidated | Logistics | | | | |
Segment Reporting Information, Profit (Loss) [Abstract] | | | | |
Total revenue | 12,900,000 | 9,300,000 | 23,400,000 | 16,500,000 |
Specialized | Consolidated | Fuel surcharge | | | | |
Segment Reporting Information, Profit (Loss) [Abstract] | | | | |
Total revenue | 35,800,000 | 16,300,000 | 58,100,000 | 28,800,000 |
Corporate | | | | |
Segment Reporting Information, Profit (Loss) [Abstract] | | | | |
Purchases of equipment | 2,100,000 | 0 | 6,700,000 | |
Sale of equipment | $ 2,200,000 | | $ 7,100,000 | 0 |
Gain on sale of equipment | | 100,000 | | 400,000 |
Reportable | | | | |
Segment Reporting Information, Profit (Loss) [Abstract] | | | | |
Intersegment lease expenses | | $ 0 | | $ 0 |