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Segment Reporting - Additional Information (Detail)
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12 Months Ended | ||
|---|---|---|---|
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Dec. 31, 2013
Country
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Dec. 31, 2012
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Dec. 31, 2011
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| Segment Reporting Disclosure [Line Items] | |||
| Number of countries in which entity operates | 24 | ||
| Percentage of consolidated revenue not exceeded by any customer | 10.00% | 10.00% | 10.00% |
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General Electric Company
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| Segment Reporting Disclosure [Line Items] | |||
| Percentage of consolidated total net revenue | 23.00% | 26.00% | 30.00% |