Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
CURRENT ASSETS
Cash and cash equivalents	$ 100,264	$ 33,232
Trade receivables, net	51,704	61,009
Prepaid tires	8,747	9,584
Other current assets	9,395	8,316
Income tax receivable	6,555	7,641
Deferred income taxes, net	0	16,662
Total current assets	176,665	136,444
PROPERTY AND EQUIPMENT
Land and land improvements	39,258	37,899
Buildings	48,372	47,837
Leasehold improvements	1,703	1,703
Furniture and fixtures	2,096	2,096
Shop and service equipment	10,918	10,917
Revenue equipment	577,393	571,281
Construction in progress	3	213
Property, Plant and Equipment, Gross	679,743	671,946
Less accumulated depreciation	242,987	197,948
Property and equipment, net	436,756	473,998
GOODWILL	100,212	100,212
OTHER INTANGIBLES, NET	12,570	14,013
Deferred Income Tax Assets, Net	4,156	0
OTHER ASSETS	11,353	11,363
Assets	741,712	736,030
CURRENT LIABILITIES
Accounts payable and accrued liabilities	16,755	7,516
Compensation and benefits	23,748	24,636
Insurance accruals	22,494	21,573
Other accruals	13,747	12,443
Total current liabilities	76,744	66,168
LONG-TERM LIABILITIES
Income taxes payable	12,668	16,228
Deferred income taxes, net	93,933	112,118
Insurance accruals less current portion	60,104	59,435
Other long-term liabilities	4,000	12,153
Total long-term liabilities	170,705	199,934
COMMITMENTS AND CONTINGENCIES (Note 14)
STOCKHOLDERS' EQUITY
Preferred stock, par value $.01; authorized 5,000 shares; none issued	0	0
Capital stock, common, $.01 par value; authorized 395,000 shares; issued 90,689 in 2016 and 2015; outstanding 83,287 in 2016 and 84,115 in 2015, respectively	907	907
Additional paid-in capital	3,323	4,126
Retained earnings	614,221	575,948
Treasury stock, at cost; 7,402 shares in 2016 and 6,574 in 2015, respectively	(124,188)	(111,053)
Stockholders' Equity Attributable to Parent	494,263	469,928
Liabilities and Stockholders' Equity	$ 741,712	$ 736,030