GOODWILL AND OTHER INTANGIBLE ASSETS, Goodwill (Details) $ in Thousands		3 Months Ended	12 Months Ended
		Jun. 30, 2023 USD ($) Unit	Mar. 31, 2024 USD ($)	Mar. 31, 2023 USD ($)
Goodwill [Roll Forward]
Goodwill	[1]	$ 136,105	$ 136,105	$ 126,543
Acquisitions			25,366	9,694
Foreign currency translations			32	(132)
Reporting unit change				0
Goodwill	[1]		161,503	136,105
Accumulated impairment			8,673
Increase in goodwill			$ 25,400
Number of reporting units | Unit		1
Percentage change in the fair value		10.00%	10.00%
NSG [Member]
Goodwill [Roll Forward]
Increase in goodwill			$ 22,100
Peak [Member]
Goodwill [Roll Forward]
Increase in goodwill			3,200
Technology Segment [Member]
Goodwill [Roll Forward]
Goodwill	[1]	$ 0	0	126,543
Acquisitions			0	9,694
Foreign currency translations			0	(132)
Reporting unit change				(136,105)
Goodwill	[1]		0	0
Number of new segments created | Unit		3
Product [Member]
Goodwill [Roll Forward]
Goodwill	[1]	$ 106,497	106,497	0
Acquisitions			22,586	0
Foreign currency translations			25	0
Reporting unit change				106,497
Goodwill	[1]		129,108	106,497
Professional Services [Member]
Goodwill [Roll Forward]
Goodwill	[1]	19,712	19,712	0
Acquisitions			2,780	0
Foreign currency translations			5	0
Reporting unit change				19,712
Goodwill	[1]		22,497	19,712
Managed Services [Member]
Goodwill [Roll Forward]
Goodwill	[1]	$ 9,896	9,896	0
Acquisitions			0	0
Foreign currency translations			2	0
Reporting unit change				9,896
Goodwill	[1]		$ 9,898	$ 9,896

[1] Balance is net of $8,673 thousand in accumulated impairments that were recorded in segments that precede our current segment organization.