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Note 6 - Intangible Assets - Components of Intangible Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Gross carrying amount | $ 205,979 | $ 150,468
Accumulated amortization | 84,864 | 70,990
Net | 121,115 | 79,478
Customer Lists and Relationships [Member] |  |
Gross carrying amount | 104,258 | 75,279
Accumulated amortization | 34,161 | 28,816
Net | 70,097 | 46,463
Franchise Rights [Member] |  |
Gross carrying amount | 39,137 | 36,539
Accumulated amortization | 17,230 | 15,195
Net | 21,907 | 21,344
Trademarks and Trade Names [Member] |  |
Gross carrying amount | 26,069 | 22,002
Accumulated amortization | 11,825 | 11,147
Net | 14,244 | 10,855
Other Intangible Assets [Member] |  |
Gross carrying amount | 36,515 | 16,648
Accumulated amortization | 21,648 | 15,832
Net | $ 14,867 | $ 816

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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