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Acquisitions (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Jun. 30, 2013 Acquisition of Ottomotores [Member] | Dec. 31, 2012 Acquisition of Ottomotores [Member] | Dec. 31, 2012 Acquisition of Ottomotores [Member] Minimum [Member] kW | Dec. 31, 2012 Acquisition of Ottomotores [Member] Maximum [Member] kW | Sep. 30, 2013 Acquisition of Magnum [Member] | Dec. 31, 2011 Acquisition of Magnum [Member] | Dec. 31, 2013 Acquisition of Tower Light [Member] | Dec. 31, 2013 Acquisition of Tower Light [Member] Country
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Date of acquisition agreement |  |  |  |  | Dec. 08, 2012 |  |  |  | Oct. 03, 2011 |  | Aug. 01, 2013
Industrial diesel gensets size |  |  |  |  |  | 15 | 250 |  |  |  |
Goodwill | $ 57,044 | $ 5,545 |  |  | $ 5,050 |  |  |  | $ 20,337 | $ 38,400 | $ 38,400
Additional goodwill recorded under revised purchase accounting estimates |  |  |  |  |  |  |  |  |  | 9,328 |
Cash paid, net of cash acquired | 116,113 | 47,044 | 83,907 |  | 44,769 |  |  |  | 83,907 |  | 80,239
Intangible assets |  |  |  |  | 16,100 |  |  |  | 56,107 | 67,900 | 67,900
Purchase price | 122,391 | 47,044 |  |  |  |  |  |  | 85,490 | 85,812 | 85,812
Recorded estimated liability to sellers for contingent consideration |  |  |  |  |  |  |  |  | 1,583 |  |
Decrease in purchase price |  |  |  | 6,278 |  |  |  | 75 |  |  | 300
Additional intangible assets |  |  |  | 2,590 |  |  |  |  |  |  |
Decrease in goodwill |  |  |  | 439 |  |  |  | 75 |  |  |
Number of countries in which subsidiary of entity built leading market position in equipment rental markets |  |  |  |  |  |  |  |  |  |  | 50
Cash deposit into escrow account to fund future earn-out payments |  |  |  |  |  |  |  |  |  | 6,645 | 6,645
Total cash paid | 116,113 | 47,044 | 83,907 |  | 44,769 |  |  |  | 83,907 |  | 80,239
Estimated earn-out payment | $ 12,518 | $ 0 |  |  |  |  |  |  |  | $ 12,500 | $ 12,500

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- Definition Carrying value as of the balance sheet date of obligations incurred through entity's estimated future earn-out payments is reflected as an addition in the purchase price. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). + References No definition available. + Details
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- Definition Change in the carrying value of goodwill. The change could be the result of new goodwill acquired, goodwill impairment, if any, goodwill written off related to the sale of a business or other adjustments to goodwill. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph e -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 72 -Subparagraph d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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