Other Long-Term Assets - Additional Information (Detail) - Enterprise Business	12 Months Ended
Dec. 31, 2015
Minimum
Restructuring Cost and Reserve [Line Items]
Percentage of interest acquired	1.90%
Maximum
Restructuring Cost and Reserve [Line Items]
Percentage of interest acquired	17.40%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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