XML 52 R42.htm IDEA: XBRL DOCUMENT v3.8.0.1
INVENTORIES (Details) - USD ($)
$ in Thousands
May 31, 2018
Feb. 28, 2018
Inventory Disclosure [Abstract]    
Raw materials $ 16,974 $ 18,629
Work in process 340 567
Finished goods 15,243 17,106
Inventories $ 32,557 $ 36,302