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Note 10 - Acquisitions (Tables) | 9 Months Ended
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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 |

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- Definition Tabular disclosure of pro forma results of operations for a material business acquisition or series of individually immaterial business acquisitions that are material in the aggregate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463 + Details
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- Definition Tabular disclosure of the amounts recognized as of the acquisition date for each major class of assets acquired and liabilities assumed. May include but not limited to the following: (a) acquired receivables; (b) contingencies recognized at the acquisition date; and (c) the fair value of noncontrolling interests in the acquiree. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6910749&loc=d3e4845-128472 + Details
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