INVENTORIES (Tables)

6 Months Ended

Sep. 30, 2014

INVENTORIES

Schedule of components of inventories

(In thousands)	September 30, 2014		March 31, 2014
Raw materials, completed sub-assemblies, and spare parts	$	20,033	$	18,482
Work-in-process	20,401		13,199
Finished goods	4,766		1,254
Total	$	45,200	$	32,935