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Intangible Asset Depreciation and Amortization Estimated Useful Lives (Detail) | 12 Months Ended
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Dec. 31, 2014
Patents |
Finite-Lived Intangible Assets [Line Items] |
Estimated useful life | 11 years
Patents | Minimum |
Finite-Lived Intangible Assets [Line Items] |
Estimated useful life | 5 years
Patents | Maximum |
Finite-Lived Intangible Assets [Line Items] |
Estimated useful life | 17 years
Trade Names |
Finite-Lived Intangible Assets [Line Items] |
Estimated useful life | 16 years
Trade Names | Minimum |
Finite-Lived Intangible Assets [Line Items] |
Estimated useful life | 10 years
Trade Names | Maximum |
Finite-Lived Intangible Assets [Line Items] |
Estimated useful life | 20 years
Customer Relationships |
Finite-Lived Intangible Assets [Line Items] |
Estimated useful life | 11 years
Customer Relationships | Minimum |
Finite-Lived Intangible Assets [Line Items] |
Estimated useful life | 5 years
Customer Relationships | Maximum |
Finite-Lived Intangible Assets [Line Items] |
Estimated useful life | 20 years
Non-Compete Agreements |
Finite-Lived Intangible Assets [Line Items] |
Estimated useful life | 3 years
Unpatented technology and other |
Finite-Lived Intangible Assets [Line Items] |
Estimated useful life | 11 years
Unpatented technology and other | Minimum |
Finite-Lived Intangible Assets [Line Items] |
Estimated useful life | 5 years
Unpatented technology and other | Maximum |
Finite-Lived Intangible Assets [Line Items] |
Estimated useful life | 20 years

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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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