Note 2 - Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2012

Property, Plant and Equipment [Table Text Block]

	2012			2011			Estimated Life (Years)
Land	$	69,965		$	68,147			–
Buildings and improvements		174,953			162,118		31	–	39
Leasehold improvements		24,710			21,734		2	–	39
Machinery and shop equipment		40,581			34,949		5	–	20
Furniture, fixtures and computers		39,993			30,321		3	–	15
Transportation equipment		40,103			35,126		2	–	15
Lease and rental vehicles		443,035			326,678		2	–	8
Construction in progress		6,605			2,441
Accumulated depreciation and amortization		(217,833	)		(181,847	)
Total	$	622,112		$	499,667

Schedule of Goodwill [Table Text Block]

Balance January 1, 2012	$	182,612
Adjustment to acquisition of Peck Road Ford		36
Adjustment for franchise rights related to West Texas Peterbilt acquisition		(1,730	)
Acquisition of MVI Group (See Note 15)		17,339
Balance December 31, 2012	$	198,257

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

	2012			2011			2010
Expected stock volatility		53.64	%		51.5	%		50.7	%
Weighted-average stock volatility		53.64	%		51.5	%		50.7	%
Expected dividend yield		0.0	%		0.0	%		0.0	%
Risk-free interest rate		1.11	%		2.00	%		2.39	%
Expected life (years)		5.0			5.0			5.0
Weighted-average fair value of stock options granted	$	10.95		$	8.68		$	5.80