Consolidated Statements Of Income (Loss) (USD $) In Thousands, except Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Consolidated Statements Of Income (Loss)
Revenue	$ 208,881	$ 169,713	$ 394,269	$ 326,856
Operating expenses:
Salaries, wages and other employee benefits	79,877	66,558	149,494	130,687
Purchased transportation	34,625	28,291	64,617	53,842
Depreciation and amortization	4,040	4,629	8,397	9,395
Maintenance	8,994	6,878	17,086	13,886
Rents and leases	9,175	7,078	17,256	13,850
Purchased labor and owner operators	20,259	15,442	38,584	29,801
Fuel and fuel-related expenses	36,074	22,049	66,204	42,850
Other operating expenses	16,145	14,831	31,470	29,022
Other income	(67)	(1)	(105)	(145)
Total operating expenses	209,122	165,755	393,003	323,188
Income (loss) from continuing operations before undernoted	(241)	3,958	1,266	3,668
Interest expense, net	1,311	1,920	2,653	4,023
Income (loss) from continuing operations before income taxes	(1,552)	2,038	(1,387)	(355)
Income tax expense (recovery)	745	471	1,134	(645)
Net income (loss) from continuing operations	(2,297)	1,567	(2,521)	290
Discontinued operations, net of income taxes		161		509
Net income (loss)	$ (2,297)	$ 1,728	$ (2,521)	$ 799
Basic:
Net loss from continuing operations	$ (0.14)	$ 0.10	$ (0.15)	$ 0.02
Discontinued operations income		$ 0.01		$ 0.03
Net loss	$ (0.14)	$ 0.11	$ (0.15)	$ 0.05
Diluted:
Net loss from continuing operations	$ (0.14)	$ 0.10	$ (0.15)	$ 0.02
Discontinued operations income		$ 0.01		$ 0.03
Net loss	$ (0.14)	$ 0.11	$ (0.15)	$ 0.05
Weighted average number of shares:
Basic	16,330,041	16,266,441	16,322,748	16,266,441
Diluted	16,330,041	16,365,410	16,322,748	16,359,079