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Note 2 - Significant Accounting Policies - Property and Equipment (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015
Property, plant and equipment, gross | $ 453,521 | $ 403,819
Accumulated depreciation and amortization | (453,521) | (403,819)
Total | 1,135,805 | 1,172,824
Land [Member] |  |
Property, plant and equipment, gross | 126,123 | 134,246
Accumulated depreciation and amortization | (126,123) | (134,246)
Building and Building Improvements [Member] |  |
Property, plant and equipment, gross | 377,070 | 313,706
Accumulated depreciation and amortization | $ (377,070) | $ (313,706)
Building and Building Improvements [Member] | Minimum [Member] |  |
Buildings and improvements (Year) | 10 years |
Building and Building Improvements [Member] | Maximum [Member] |  |
Buildings and improvements (Year) |  | 39 years
Leasehold Improvements [Member] |  |
Property, plant and equipment, gross | $ 26,925 | $ 28,149
Accumulated depreciation and amortization | $ (26,925) | $ (28,149)
Leasehold Improvements [Member] | Minimum [Member] |  |
Buildings and improvements (Year) | 2 years |
Leasehold Improvements [Member] | Maximum [Member] |  |
Buildings and improvements (Year) |  | 39 years
Machinery and Equipment [Member] |  |
Property, plant and equipment, gross | $ 67,558 | $ 59,455
Accumulated depreciation and amortization | $ (67,558) | $ (59,455)
Machinery and Equipment [Member] | Minimum [Member] |  |
Buildings and improvements (Year) | 5 years |
Machinery and Equipment [Member] | Maximum [Member] |  |
Buildings and improvements (Year) |  | 20 years
Furniture and Fixtures [Member] |  |
Property, plant and equipment, gross | $ 73,912 | $ 74,201
Accumulated depreciation and amortization | $ (73,912) | $ (74,201)
Furniture and Fixtures [Member] | Minimum [Member] |  |
Buildings and improvements (Year) | 3 years |
Furniture and Fixtures [Member] | Maximum [Member] |  |
Buildings and improvements (Year) |  | 15 years
Transportation Equipment [Member] |  |
Property, plant and equipment, gross | $ 73,156 | $ 74,761
Accumulated depreciation and amortization | $ (73,156) | $ (74,761)
Transportation Equipment [Member] | Minimum [Member] |  |
Buildings and improvements (Year) | 2 years |
Transportation Equipment [Member] | Maximum [Member] |  |
Buildings and improvements (Year) |  | 15 years
Vehicles [Member] |  |
Property, plant and equipment, gross | $ 832,661 | $ 825,787
Accumulated depreciation and amortization | $ (832,661) | $ (825,787)
Vehicles [Member] | Minimum [Member] |  |
Buildings and improvements (Year) | 2 years |
Vehicles [Member] | Maximum [Member] |  |
Buildings and improvements (Year) |  | 8 years
Construction in Progress [Member] |  |
Property, plant and equipment, gross | $ 11,921 | $ 66,338
Accumulated depreciation and amortization | $ (11,921) | $ (66,338)

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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- 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 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(14)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(8)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 4: 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 + Details
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- 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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