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Summary of Purchase Price Allocation (Detail) (USD $) In Thousands, unless otherwise specified |  |  | 6 Months Ended |
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Jun. 30, 2014 | Dec. 31, 2013 | Jun. 30, 2014 Global Thermoelectric Inc | Jun. 30, 2014 Order backlog Global Thermoelectric Inc | Jun. 30, 2014 Customer Relationships Global Thermoelectric Inc | Jun. 30, 2014 Technology Global Thermoelectric Inc | Jun. 30, 2014 Trade Names Global Thermoelectric Inc
Business Acquisition [Line Items] |  |  |  |  |  |  |
Accounts receivable |  |  | $ 10,200 |  |  |  |
Inventory |  |  | 6,487 |  |  |  |
Intangible assets |  |  |  | 815 | 5,524 | 2,807 | 725
Prepaid expenses and other assets |  |  | 258 |  |  |  |
Property and equipment |  |  | 716 |  |  |  |
Goodwill | 32,247 | 25,809 | 6,601 |  |  |  |
Assumed liabilities |  |  | (6,530) |  |  |  |
Net assets acquired |  |  | 31,102 |  |  |  |
Cash acquired on acquisition |  |  | 3,061 |  |  |  |
Purchase price |  |  | $ 34,163 |  |  |  |

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- Definition Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6910749&loc=d3e4845-128472 + Details
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