XML 131 R31.htm IDEA: XBRL DOCUMENT v3.4.0.3
Basis of Presentation and Consolidation - Additional Information (Detail)
¥ in Thousands, $ in Thousands
3 Months Ended
Jan. 04, 2016
USD ($)
Jan. 04, 2016
CNY (¥)
Mar. 31, 2016
USD ($)
Consolidation And Basis Of Presentation [Line Items]      
Minimum percentage of investment consolidated     50.00%
Maximum percentage of cost method investments     20.00%
GRT Joint Venture Agreement [Member]      
Consolidation And Basis Of Presentation [Line Items]      
Expected percentage ownership in joint venture upon closure of acquisition 65.00% 65.00%  
Expected aggregate cost of joint venture upon closure of acquisition $ 92,000 ¥ 600,000  
Down payment, for purchase agreement     $ 5,929
Minimum [Member]      
Consolidation And Basis Of Presentation [Line Items]      
Equity investments ownership percentage     20.00%
Maximum [Member]      
Consolidation And Basis Of Presentation [Line Items]      
Equity investments ownership percentage     50.00%