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Note 3 - Acquisitions (Details Textual) |  |  |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Aug. 01, 2015 USD ($) | Oct. 01, 2014 USD ($) | Aug. 01, 2013 USD ($) | Dec. 31, 2015 USD ($) | Sep. 30, 2015 USD ($) | Dec. 31, 2013 USD ($) | Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($)
CHP [Member] |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired | $ 74,570,000 |  |  |  |  |  |  |  |
Business Acquisition, Purchase Price Allocation, Intangible Assets Including Goodwill | 81,726,000 |  |  |  |  |  |  |  |
Goodwill | $ 30,076,000 |  |  |  |  |  |  |  |
Increase (Decrease) in Intangible Assets, Non-current |  |  |  | $ (6,552,000) |  |  |  |  |
Goodwill, Period Increase (Decrease) |  |  |  | 6,208,000 |  |  |  |  |
Noncash or Part Noncash Acquisition, Debt Assumed |  |  |  | 12,000,000 |  |  |  |  |
MAC Inc. [Member] |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  | $ 55,035,000 |  |  |  |  |  |  |
Business Acquisition, Purchase Price Allocation, Intangible Assets Including Goodwill |  | 49,378,000 |  |  |  |  |  |  |
Goodwill |  | $ 25,898,000 |  |  |  |  |  |  |
Increase (Decrease) in Intangible Assets, Non-current |  |  |  |  | $ (4,229,000) |  |  |  |
Goodwill, Period Increase (Decrease) |  |  |  |  | $ 2,481,000 |  |  |  |
Tower Light [Member] |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  |  | $ 80,239,000 |  |  |  |  |  |
Business Acquisition, Purchase Price Allocation, Intangible Assets Including Goodwill |  |  | 67,900,000 |  |  |  |  |  |
Goodwill |  |  | 38,400,000 |  |  |  |  |  |
Goodwill, Period Increase (Decrease) |  |  |  |  |  | $ 9,328,000 |  |  |
Business Combination, Consideration Transferred |  |  | $ 85,812,000 |  |  |  |  |  |
Number of Countries in Which Subsidiary of Entity Has Distribution Network |  |  | 50 |  |  |  |  |  |
Restricted Cash and Cash Equivalents |  |  | $ 6,645,000 |  |  |  |  |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred |  |  |  |  |  |  |  | $ 7,641,000 |
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability |  |  |  |  |  |  |  | (4,877,000) |
Payments to Acquire Businesses, Net of Cash Acquired |  |  |  |  |  |  | $ 73,782,000 | 61,196,000 | $ 116,113,000
Goodwill |  |  |  | $ 669,719,000 |  | $ 608,287,000 | $ 669,719,000 | 635,565,000 | $ 608,287,000
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability |  |  |  |  |  |  |  | $ (4,877,000) |

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- Definition The increase (decrease) during the reporting period in intangible assets (for example patents and licenses). + References No definition available. + Details
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- Definition Refers to the number of countries in which a subsidiary of the Company has built a leading market position in the equipment rental markets. + References No definition available. + Details
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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477 + Details
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- Definition The amount of debt that an Entity assumes in acquiring a business or in consideration for an asset received in a noncash (or part noncash) acquisition. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4313-108586 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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