DISPOSITIONS: Revenue and income from operations from the disposed business (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income from operations	$ (1,879)	$ 5,224	$ (10,600)	$ 11,881
Zeta Interactive | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues	0	8,056	0	20,375
Income from operations	$ 0	$ 249	$ 0	$ 120