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Note 2 - Other Assets (Details) (USD $) | 9 Months Ended |  |  | 9 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | --- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Dec. 31, 2012 | Sep. 30, 2013 Franchise Rights [Member] | Sep. 30, 2013 Sales Revenue, Services, Net [Member] | Sep. 30, 2013 Computer Software, Intangible Asset [Member] | Sep. 30, 2012 Computer Software, Intangible Asset [Member] | Sep. 30, 2013 Computer Software, Intangible Asset [Member] | Sep. 30, 2012 Computer Software, Intangible Asset [Member]
Note 2 - Other Assets (Details) [Line Items] |  |  |  |  |  |  |  |  |
Other Assets, Noncurrent | $ 50,555,000 |  | $ 48,510,000 | $ 4,500,000 |  | $ 40,400,000 |  | $ 40,400,000 |
Finite-Lived Intangible Assets, Accumulated Amortization |  |  |  |  |  | 6,300,000 |  | 6,300,000 |
Finite-Lived Intangible Asset, Useful Life |  |  |  |  |  |  |  | 15 years |
Concentration Risk, Percentage |  |  |  |  | 44.00% |  |  |  |
Depreciation, Depletion and Amortization | $ 67,815,000 | $ 53,196,000 |  |  |  | $ 700,000 | $ 700,000 | $ 2,200,000 | $ 2,200,000

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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13537-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13531-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592 + Details
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- Definition The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition Aggregate carrying amount, as of the balance sheet date, of noncurrent assets not separately disclosed in the balance sheet. Noncurrent assets are expected to be realized or consumed after one year (or the normal operating cycle, if longer). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 17 -Article 5 + Details
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