XML 74 R57.htm IDEA: XBRL DOCUMENT v3.6.0.2
Inventories (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Inventories [Abstract]    
Raw materials $ 38,383 $ 43,960
Work in process 3,109 4,067
Finished goods and parts 61,839 57,850
Inventories, net $ 103,331 $ 105,877