BUSINESS COMBINATIONS, Consolidated IT Services Acquisition (Details) - USD ($) $ in Thousands		12 Months Ended
	Dec. 06, 2016	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2016
Allocation of Purchase Price Consideration to Assets Acquired and Liabilities Assumed [Abstract]
Goodwill		$ 76,624	$ 48,397	$ 42,151
Consolidated IT Services [Member]
Business Acquisition [Line Items]
Cash portion of the acquisition	$ 9,500
Cash portion of the acquisition payable in future	4,000
Contingent consideration payout period		2 years
Receivables as a working capital adjustment	400
Allocation of Purchase Price Consideration to Assets Acquired and Liabilities Assumed [Abstract]
Accounts receivable and other current assets	7,491
Property and equipment	1,045
Identified intangible assets	4,090
Accounts payable and other current liabilities	(5,786)
Total identifiable net assets	6,840
Goodwill	6,227
Total purchase consideration	13,067
Consolidated IT Services [Member] | Technology [Member]
Allocation of Purchase Price Consideration to Assets Acquired and Liabilities Assumed [Abstract]
Goodwill	6,500
Consolidated IT Services [Member] | Customer Relationships [Member]
Allocation of Purchase Price Consideration to Assets Acquired and Liabilities Assumed [Abstract]
Total identifiable net assets	$ 3,800
Estimated useful lives		7 years