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Purchase of Ownership Interest in Joint Venture - Additional Information (Detail) (Carrier Enterprise I, USD $)
In Thousands, unless otherwise specified
0 Months Ended
Jul. 01, 2014
Jul. 01, 2014
Carrier Enterprise I
   
Business Acquisition [Line Items]    
Additional ownership interest acquired   10.00%
Cash consideration $ 87,735  
Controlling interest, ownership percentage   80.00%