DISPOSITION: The carrying amounts of the major classes of assets and liabilities of AMS (Details) - Discontinued Operations, Held-for-sale or Disposed of by Sale [Member] - USD ($) $ in Thousands	Sep. 30, 2018	Mar. 31, 2018
Disposal Group, Including Discontinued Operation, Assets [Abstract]
Cash and cash equivalents	$ 6,731	$ 2,261
Trade accounts receivables, net	122,507	115,141
Refundable income taxes	30	0
Other current assets	23,920	20,972
Property and equipment, net	116,338	124,193
Software, net	21,093	21,014
Goodwill	390,649	392,356
Purchased software licenses, net	6,594	7,502
Deferred income taxes	1,538	1,522
Deferred commissions, net	11,929	0
Other assets, net	1,675	3,815
Assets held for sale	703,004	688,776
Disposal Group, Including Discontinued Operation, Liabilities [Abstract]
Trade accounts payable	30,755	27,929
Accrued payroll and related expenses	21,893	28,725
Other accrued expenses	18,446	16,241
Deferred revenue	23,486	27,214
Income taxes payable	0	244
Other liabilities	2,583	3,707
Liabilities held for sale	$ 97,163	$ 104,060