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Stock-Based Compensation and Employee Benefit Plans - Summary of the Activity under the VI Chip Stock Option Plans (Parenthetical) (Detail) (Chief Executive Officer [Member], VI Chip Stock Options [Member]) | 12 Months Ended
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Dec. 31, 2013
Chief Executive Officer [Member] | VI Chip Stock Options [Member] |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
Granted, shares | 5,500,000

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- Details
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Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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Balance Type: | na
Period Type: | duration