XML 65 R51.htm IDEA: XBRL DOCUMENT v3.7.0.1
Property, Plant and Equipment, Net - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, net $ 252,656   $ 238,404
Depreciation expense 5,400 $ 6,000  
India and Switzerland      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, net $ 68,900   $ 65,100