Note 10 - Acquisitions (Tables)

9 Months Ended

Sep. 30, 2013

Business Combinations [Abstract]

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

	Consideration
Cash paid, net of cash acquired	$	31,786

	Assets Acquired and Liabilities Assumed
Inventories	$	15,198
Franchise value		4,036
Property, plant and equipment		4,697
Other assets		122
Other liabilities		(533	)
		23,520
Goodwill		8,266
	$	31,786

Business Acquisition, Pro Forma Information [Table Text Block]

Three Months Ended September 30,	2013		2012
Revenue	$	1,069,290	$	909,029
Income from continuing operations, net of tax		30,891		23,409
Basic income per share from continuing operations, net of tax		1.19		0.92
Diluted income per share from continuing operations, net of tax		1.18		0.90

Nine Months Ended September 30,	2013		2012
Revenue	$	3,019,726	$	2,548,136
Income from continuing operations, net of tax		78,500		60,777
Basic income per share from continuing operations, net of tax		3.05		2.36
Diluted income per share from continuing operations, net of tax		3.00		2.32