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Summary of Significant Accounting Policies (Details 7) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Balance at beginnning of the year $ 71,855 $ 9,696  
Acquisition of business   67,118  
Impairment 0 (4,945) 0
Translations and other adjustments (5,474) (14)  
Balance at end of the year 66,381 71,855 9,696
Electronics [Member]
      
Balance at beginnning of the year 564 578  
Acquisition of business   0  
Impairment   0  
Translations and other adjustments 34 (14)  
Balance at end of the year 598 564  
Wiring [Member]
      
Balance at beginnning of the year 4,173 9,118  
Acquisition of business   0  
Impairment   (4,945)  
Translations and other adjustments 0 0  
Balance at end of the year 4,173 4,173  
Control Devices [Member]
      
Balance at beginnning of the year 0 0  
Acquisition of business   0  
Impairment   0  
Translations and other adjustments 0 0  
Balance at end of the year 0 0  
PST - Consolidated [Member]
      
Balance at beginnning of the year 67,118 0  
Acquisition of business   67,118  
Impairment   0  
Translations and other adjustments (5,508)    
Balance at end of the year $ 61,610 $ 67,118