Note 2 - Summary of Significant Accounting Policies (Details Textual)	12 Months Ended
Dec. 31, 2016
Finite-Lived Intangible Asset, Useful Life	15 years 109 days
Number of Reporting Units	6
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	5 years
Customer Lists and Relationships [Member]
Finite-Lived Intangible Asset, Useful Life	17 years 292 days
Trademarks and Trade Names [Member]
Finite-Lived Intangible Asset, Useful Life	5 years 182 days
Minimum [Member]
Finite Lived Intangible Asset Useful Life Franchise Rights	2.50%
Minimum [Member] \| Customer Lists and Relationships [Member]
Finite-Lived Intangible Asset, Useful Life	4 years
Minimum [Member] \| Trademarks and Trade Names [Member]
Finite-Lived Intangible Asset, Useful Life	5 years
Minimum [Member] \| Management Contracts and Other [Member]
Finite-Lived Intangible Asset, Useful Life	2 years
Minimum [Member] \| Order or Production Backlog [Member]
Finite-Lived Intangible Asset, Useful Life	180 days
Maximum [Member]
Finite Lived Intangible Asset Useful Life Franchise Rights	15.00%
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period	15 years
Maximum [Member] \| Customer Lists and Relationships [Member]
Finite-Lived Intangible Asset, Useful Life	20 years
Maximum [Member] \| Trademarks and Trade Names [Member]
Finite-Lived Intangible Asset, Useful Life	35 years
Maximum [Member] \| Management Contracts and Other [Member]
Finite-Lived Intangible Asset, Useful Life	15 years
Maximum [Member] \| Order or Production Backlog [Member]
Finite-Lived Intangible Asset, Useful Life	1 year
Building [Member] \| Minimum [Member]
Property, Plant and Equipment, Useful Life	20 years
Building [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life	40 years
Vehicles [Member] \| Minimum [Member]
Property, Plant and Equipment, Useful Life	3 years
Vehicles [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life	5 years
Furniture and Fixtures [Member] \| Minimum [Member]
Property, Plant and Equipment, Useful Life	3 years
Furniture and Fixtures [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life	10 years
Computer Equipment [Member] \| Minimum [Member]
Property, Plant and Equipment, Useful Life	3 years
Computer Equipment [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life	5 years
Leasehold Improvements [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life	10 years

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Reporting Unit
-URI http://asc.fasb.org/extlink&oid=6523643

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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-SubTopic 10
-Section 50
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