PENSION AND OTHER POST RETIREMENT BENEFITS (Detail Textuals) (Defined contribution retirement plan)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Hainan Jinpan Electric Co. Ltd.
Dec. 31, 2014
Jinpan Electric (China) Co. Ltd
Dec. 31, 2014
Shanghai Jinpan Electric Company Limited
Dec. 31, 2014
Hainan Jinpan, Jinpan China, Shanghai Jinpan And Guilin JFT
USD ($)
Dec. 31, 2014
Hainan Jinpan, Jinpan China, Shanghai Jinpan And Guilin JFT
CNY
Dec. 31, 2013
Hainan Jinpan, Jinpan China, Shanghai Jinpan And Guilin JFT
USD ($)
Dec. 31, 2013
Hainan Jinpan, Jinpan China, Shanghai Jinpan And Guilin JFT
CNY
Dec. 31, 2012
Hainan Jinpan, Jinpan China, Shanghai Jinpan And Guilin JFT
USD ($)
Dec. 31, 2012
Hainan Jinpan, Jinpan China, Shanghai Jinpan And Guilin JFT
CNY
Defined Benefit Plan Disclosure [Line Items]                  
Required contribution, percentage 20.00% 20.00% 21.00%            
Employer matching contribution in percentage 8.00% 8.00% 8.00%            
Pension expense       $ 3.0 18.6 $ 1.6 10.1 $ 2.9 18.3