XML 68 R55.htm IDEA: XBRL DOCUMENT v3.19.1
Inventories (Details) - USD ($)
$ in Thousands
Mar. 31, 2019
Dec. 31, 2018
Inventory Disclosure [Abstract]    
Raw materials $ 127,622 $ 122,825
Work-in-process 84,801 70,458
Finished goods 118,968 128,896
Total 331,391 322,179
Long-term inventory 9,900 8,100
Inventories not yet available for sale $ 10,500 $ 12,500