REVENUES BY PRODUCT CATEGORY AND GEOGRAPHIC REGION AND SIGNIFICANT CONCENTRATIONS, Revenue by Product (Details) - USD ($) $ in Thousands		3 Months Ended
		Jun. 30, 2017	Jun. 30, 2016
Revenue from External Customer [Line Items]
Revenues		$ 58,258	$ 57,696
Instruments [Member]
Revenue from External Customer [Line Items]
Revenues	[1]	8,763	10,099
Consumables [Member]
Revenue from External Customer [Line Items]
Revenues	[2]	46,040	44,689
Other Products [Member]
Revenue from External Customer [Line Items]
Revenues	[3]	$ 3,455	$ 2,908

[1] Instruments include chemistry analyzers, hematology instruments, VSpro specialty analyzers and i-STAT analyzers.

[2] Consumables include reagent discs, hematology reagent kits, VSpro specialty cartridges, i-STAT cartridges and rapid tests.

[3] Other products include products using the Orbos process and extended maintenance agreements.