PROPERTY, EQUIPMENT, OTHER ASSETS AND LIABILITIES (Details) - USD ($) $ in Thousands	1 Months Ended		3 Months Ended	6 Months Ended
	Oct. 31, 2019	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2018	Mar. 31, 2019
Other current assets [Abstract]
Deposits & funds held in escrow		$ 211			$ 438
Prepaid assets		6,285			6,425
Other		371			636
Total other current assets		6,867			7,499
Property, equipment and other assets [Abstract]
Property and equipment, net		7,236			7,314
Deferred costs - non-current		11,303			8,856
Right-of-use assets		15,141			0
Other		1,624			1,158
Total other assets - long term		35,304			17,328
Other current liabilities [Abstract]
Accrued expenses		8,846			7,813
Accrued income taxes payable		216			181
Contingent consideration - current		283			5,162
Short-term lease liability		5,396			0
Other		18,183			6,129
Total other current liabilities		32,924			19,285
Other liabilities [Abstract]
Deferred revenue		17,333			13,789
Contingent consideration long-term		0			3,780
Long-term lease liability		9,790			0
Other		2,024			108
Total other liabilities - long term		29,147			$ 17,677
Contingent Consideration Arrangements [Abstract]
Payments of contingent consideration		$ 500	$ 1,100	$ 1,100
Subsequent Event [Member]
Contingent Consideration Arrangements [Abstract]
Payments of contingent consideration	$ 9,600