CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenues:
Total revenue	$ 351.7	$ 450.6	$ 742.7	$ 883.6
Operating expenses:
Salaries, wages and employee benefits	99.4	124.3	209.8	243.4
Operations and maintenance	45.3	53.1	90.9	107.9
Communications	0.9	1.2	1.9	2.2
Administrative expenses	17.2	17.2	37.4	33.3
Sales and marketing	0.3	1.3	1.0	2.5
Insurance and claims	15.6	12.2	30.6	24.7
Depreciation and amortization	22.8	39.7	49.1	81.2
(Gain) loss on disposition of property and equipment	0.4	(0.7)	(0.8)	(1.1)
Impairment			13.4
Restructuring charges	3.0		3.5
Total operating expenses	339.3	445.9	738.6	878.2
Income from operations	12.4	4.7	4.1	5.4
Other expense (income):
Interest income	(0.1)	(0.2)	(0.4)	(0.4)
Interest expense	11.0	12.7	23.0	25.4
Other	(1.1)	(0.7)	0.1	(1.3)
Total other expense	9.8	11.8	22.7	23.7
Income (loss) before benefit for income taxes	2.6	(7.1)	(18.6)	(18.3)
Provision (benefit) for income taxes	2.1	(0.7)	(1.8)	(2.6)
Net income (loss)	0.5	(6.4)	(16.8)	(15.7)
Other comprehensive income (loss):
Foreign currency translation adjustments, net of tax of $0.1, $0.1, $(0.1) and $0.3, respectively	0.2	0.4	(0.3)	0.5
Comprehensive income (loss)	0.7	(6.0)	(17.1)	(15.2)
Net income (loss)	0.5	(6.4)	(16.8)	(15.7)
Net loss attributable to common stockholders	$ (0.8)	$ (7.7)	$ (19.3)	$ (18.2)
Net loss per common share:
Basic and Diluted (in dollars per share)	$ (0.01)	$ (0.12)	$ (0.30)	$ (0.28)
Weighted-average common shares outstanding:
Basic and Diluted (in shares)	64,173,164	64,523,163	64,625,347	64,496,550
Series A
Other comprehensive income (loss):
Less dividends to convertible preferred stockholders	$ (1.3)	$ (1.3)	$ (2.5)	$ (2.5)
Weighted-average common shares outstanding:
Dividends declared per convertible preferred share	$ 1.91	$ 1.91	$ 3.81	$ 3.81
Company freight
Revenues:
Total revenue	$ 167.0	$ 206.9	$ 347.9	$ 413.1
Operating expenses:
Purchased freight	112.2	156.4	246.4	303.0
Owner operator freight
Revenues:
Total revenue	96.0	121.7	203.8	232.7
Brokerage
Revenues:
Total revenue	57.9	72.8	119.6	144.2
Logistics
Revenues:
Total revenue	8.8	13.1	18.9	25.5
Fuel surcharge
Revenues:
Total revenue	22.0	36.1	52.5	68.1
Operating expenses:
Fuel	18.2	36.2	46.9	71.2
Service
Operating expenses:
Taxes and licenses	$ 4.0	$ 5.0	$ 8.5	$ 9.9