CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenues:
Total revenue	$ 481.3	$ 404.0	$ 902.3	$ 737.9
Operating expenses:
Salaries, wages and employee benefits	97.2	93.4	194.7	184.1
Operations and maintenance	40.1	37.3	74.5	67.6
Communications	1.0	1.1	1.9	2.2
Administrative	17.1	12.7	34.0	29.2
Sales and marketing	0.6	0.5	1.0	1.1
Insurance and claims	17.6	9.9	41.0	26.7
Acquisition-related transaction expenses	1.9	0.0	3.3	0.0
Depreciation and amortization	22.7	22.2	44.3	44.4
Gain on disposition of property and equipment	(4.5)	(4.6)	(9.1)	(7.7)
Impairment	7.8	0.0	7.8	0.0
Restructuring charges	0.6	0.1	1.2	0.1
Total operating expenses	448.5	358.7	851.3	684.5
Income from operations	32.8	45.3	51.0	53.4
Other expense (income):
Interest income	(0.7)	(0.1)	(0.8)	(0.2)
Interest expense	7.5	7.6	14.6	18.7
Change in fair value of warrant liability	0.0	(7.8)	(4.7)	(2.2)
Other	0.6	(0.4)	0.1	(0.8)
Total other expense (income)	7.4	(0.7)	9.2	15.5
Income before income taxes	25.4	46.0	41.8	37.9
Income tax expense	7.7	10.7	11.1	9.9
Net income	17.7	35.3	30.7	28.0
Other comprehensive income :
Foreign currency translation adjustments	(1.2)	0.2	(0.1)	0.4
Comprehensive income	16.5	35.5	30.6	28.4
Net income	17.7	35.3	30.7	28.0
Less dividends to Series A convertible preferred stockholders	(1.2)	(1.3)	(2.5)	(2.5)
Net income attributable to common stockholders	$ (16.5)	$ 34.0	$ 28.2	$ 25.5
Earnings per common share:
Basic	$ 0.26	$ 0.52	$ 0.44	$ 0.39
Diluted	$ 0.24	$ 0.49	$ 0.43	$ 0.38
Weighted-average common shares outstanding:
Basic	63,470,040	64,842,620	63,182,277	64,960,833
Diluted	71,555,039	71,866,303	71,319,113	66,154,571
Dividends declared per convertible preferred share	$ 1.91	$ 1.91	$ 3.81	$ 3.81
Series A
Other comprehensive income :
Less dividends to Series A convertible preferred stockholders	$ (1.2)	$ (1.3)	$ (2.5)	$ (2.5)
Net income attributable to common stockholders	(16.5)	34.0	28.2	25.5
Company freight
Revenues:
Total revenue	167.8	163.6	323.8	308.7
Operating expenses:
Purchased freight	197.0	155.3	368.6	276.7
Owner operator freight
Revenues:
Total revenue	137.9	129.1	267.7	234.2
Brokerage
Revenues:
Total revenue	91.9	66.7	170.1	115.2
Logistics
Revenues:
Total revenue	14.0	10.7	25.4	19.2
Fuel surcharge
Revenues:
Total revenue	69.7	33.9	115.3	60.6
Operating expenses:
Fuel	45.3	27.0	80.4	52.4
Service
Operating expenses:
Taxes and licenses	$ 4.1	$ 3.8	$ 7.7	$ 7.7