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Note 2 - Property and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Land [Member]
Land	$ 134,246	$ 98,033
Accumulated depreciation and amortization	$ (134,246)	(98,033)
Building and Building Improvements [Member] | Minimum [Member]
Buildings and improvements	10 years
Building and Building Improvements [Member]
Land	$ 313,706	233,742
Accumulated depreciation and amortization	$ (313,706)	(233,742)
Leasehold Improvements [Member] | Minimum [Member]
Buildings and improvements	2 years
Leasehold Improvements [Member]
Land	$ 28,149	27,100
Accumulated depreciation and amortization	$ (28,149)	(27,100)
Machinery and Equipment [Member] | Minimum [Member]
Buildings and improvements	5 years
Machinery and Equipment [Member]
Land	$ 59,455	48,988
Accumulated depreciation and amortization	$ (59,455)	(48,988)
Furniture and Fixtures [Member] | Minimum [Member]
Buildings and improvements	3 years
Furniture and Fixtures [Member]
Land	$ 74,201	57,730
Accumulated depreciation and amortization	$ (74,201)	(57,730)
Transportation Equipment [Member] | Minimum [Member]
Buildings and improvements	2 years
Transportation Equipment [Member]
Land	$ 74,761	47,758
Accumulated depreciation and amortization	$ (74,761)	(47,758)
Vehicles [Member] | Minimum [Member]
Buildings and improvements	2 years
Vehicles [Member]
Land	$ 825,787	697,147
Accumulated depreciation and amortization	(825,787)	(697,147)
Construction in Progress [Member]
Land	66,338	39,775
Accumulated depreciation and amortization	(66,338)	(39,775)
Land	(403,819)	(327,193)
Accumulated depreciation and amortization	403,819	327,193
Total	$ 1,172,824	$ 923,080

X

- Definition

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.13)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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X

- Definition

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ 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 210.5-02.13)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 13
-Subparagraph a
-Article 5

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 8
-Article 7

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X

- Definition

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.

+ References

No definition available.

+ Details

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