v2.4.0.8
Summary of Significant Accounting Policies - Additional Information (Detail)
Mar. 31, 2014
Summary Of Significant Accounting Policies [Line Items]  
Maximum Ownership Percent Consider Under Cost Method Investments 20.00%
Minimum [Member]
 
Summary Of Significant Accounting Policies [Line Items]  
Equity Method Investment, Ownership Percentage 20.00%