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Acquisitions - Additional Information (Detail) (USD $) In Thousands, except Share data, unless otherwise specified | 12 Months Ended |  | 1 Months Ended | 12 Months Ended |  |  | 1 Months Ended |  |  |  | 12 Months Ended |  | 1 Months Ended |  | 1 Months Ended | 12 Months Ended |
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Dec. 31, 2012 | Dec. 31, 2012 Tennessee Location | Apr. 30, 2012 Tennessee | Apr. 29, 2011 Noncontrolling Interest | Dec. 31, 2012 Noncontrolling Interest | Dec. 31, 2012 Carrier Enterprise I | Jul. 02, 2012 Carrier Enterprise I | Jul. 01, 2009 Carrier Enterprise I | Apr. 29, 2011 Carrier Enterprise II Y Location | Dec. 31, 2012 Carrier Enterprise II | Dec. 31, 2011 Carrier Enterprise II | Apr. 29, 2011 Carrier Enterprise II Difference Between Fair Value And Carrying Value | Dec. 31, 2011 Carrier Enterprise II Customer Relationships | Apr. 29, 2011 Carrier Enterprise II Customer Relationships | Apr. 27, 2012 Carrier Enterprise III Location | Apr. 27, 2012 Carrier Enterprise III Customer Relationships | Apr. 27, 2012 UTC Canada | Dec. 31, 2010 Carrier Enterprise Mexico Location | Jul. 29, 2011 Carrier Enterprise Mexico
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Controlling interest |  |  |  |  |  | 60.00% |  | 60.00% | 60.00% | 60.00% |  |  |  |  | 60.00% |  |  |  | 60.00%
Non-controlling interest, ownership percentage |  |  |  | 40.00% |  |  |  | 40.00% |  |  |  | 40.00% |  |  | 40.00% |  |  |  |
Option to acquire interests, percentage |  |  |  |  |  | 10.00% |  | 10.00% |  |  |  |  |  |  |  |  |  |  |
Percentage of additional ownership acquired |  |  |  |  |  |  | 10.00% |  |  |  |  |  |  |  |  |  |  |  |
Cash consideration |  |  | $ 2,406 |  |  |  | $ 51,881 |  | $ 35,700 |  |  |  |  |  | $ 82,158 |  |  |  | $ 9,000
Option to purchase additional interest, date |  |  |  |  |  | 2014-07-01 |  |  |  |  |  |  |  |  |  |  |  |  |
Number of locations contributed to joint venture by noncontrolling interest |  |  |  |  |  |  |  |  | 28 |  |  |  |  |  | 35 |  |  |  |
Number of locations contributed to joint venture by controlling interest |  |  |  |  |  |  |  |  | 14 |  |  |  |  |  |  |  |  |  |
Purchase price |  |  |  |  |  |  |  |  | 49,229 |  |  |  |  |  | 173,739 |  |  |  |
Consideration for contribution of locations in joint venture |  |  |  |  |  |  |  |  | 14,769 |  |  | 7,061 |  |  |  |  |  |  |
Approximate net working capital adjustment included in final purchase price |  |  |  |  |  |  |  |  | 1,240 |  |  |  |  |  |  |  | 1,669 |  |
Goodwill and intangibles, purchase price allocation |  |  |  |  |  |  |  |  | 32,957 |  |  |  |  |  | 216,463 |  |  |  |
Fair value of acquired intangible assets |  |  |  |  |  |  |  |  | 20,600 |  |  |  |  |  | 151,172 |  |  |  |
Identified intangible assets, trade names and distribution rights |  |  |  |  |  |  |  |  | 13,400 |  |  |  |  |  | 95,515 |  |  |  |
Identified intangible assets, customer relationships |  |  |  |  |  |  |  |  |  |  |  |  |  | 7,200 |  | 55,657 |  |  |
Finite-lived intangible assets, average useful life, in years |  |  |  |  |  |  |  |  |  |  |  |  | 12 years |  | 15 years |  |  |  |
Period available for tax deductions related to acquired goodwill (in years) |  |  |  |  |  |  |  |  | 15 |  |  |  |  |  |  |  |  |  |
Consideration for contribution of locations in joint venture | 104,244 |  |  | 7,708 | 104,244 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of locations acquired |  | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7 |
Revenues |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 75,000 |
Shares issued to UTC Canada Corporation, an affiliate of Carrier Corporation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,250,000 |  |
Fair value of shares issued to UTC Canada Corporation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 93,250 |  |
Percent of tax basis of acquired goodwill amortized at a rate of 7% |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 75.00% |  |  |  |
Goodwill amortization rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7.00% |  |  |  |
Transaction costs included in selling, general and administrative expenses |  |  |  |  |  |  |  |  |  | $ 1,200 | $ 1,200 |  |  |  |  |  |  |  |

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- Definition The aggregate amount assigned to a major class of finite-lived intangible assets acquired either individually or as part of a group of assets (in either an asset acquisition or business combination). A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16265-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 44 -Subparagraph a(1) -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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- Definition The aggregate cost of a major indefinite-lived intangible asset class acquired, during the period, either individually or as part of a group of assets (in either an asset acquisition or business combination). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16265-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 44 -Subparagraph b -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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- Definition Amount of cash paid to acquire the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 68 -Subparagraph f(1) -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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 51 -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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- Definition Fair value of noncash consideration given by the acquirer to acquire the entity. Does not include cash paid, the fair value of debt and securities issued and liabilities incurred to acquire the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 51 -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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- Definition The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 51 -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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- Definition Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 51 -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. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 24 -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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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 159 -Paragraph 18 -Subparagraph f -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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 18 -Paragraph 20 -Subparagraph a (1) -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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- Definition Fair value of shares issued to party of joint venture + References No definition available. + Details
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- Definition Number Of Locations Contributed To Joint Venture By Controlling Interest + References No definition available. + Details
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