XML 100 R84.htm IDEA: XBRL DOCUMENT v2.4.0.8
Business segment information - Analysis of Property, Plant and Equipment of Reporting Segments by Geographic Area (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Geographic Information [Line Items]    
Property, plant and equipment, net $ 53,835 $ 46,137
U.S. [Member]
   
Geographic Information [Line Items]    
Property, plant and equipment, net 39,554 33,575
Italy [Member]
   
Geographic Information [Line Items]    
Property, plant and equipment, net 7,617 7,663
U.K. [Member]
   
Geographic Information [Line Items]    
Property, plant and equipment, net 1,402 1,449
Brazil [Member]
   
Geographic Information [Line Items]    
Property, plant and equipment, net 3,421 2,532
Others [Member]
   
Geographic Information [Line Items]    
Property, plant and equipment, net $ 1,841 $ 918