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] $ in Thousands	Mar. 31, 2018 USD ($)
Disposal Group, Including Discontinued Operation, Assets [Abstract]
Cash and cash equivalents	$ 2,261
Trade accounts receivables, net	115,141
Other current assets	20,972
Property and equipment, net	124,193
Software, net	21,014
Goodwill	392,356
Purchased software licenses, net	7,502
Deferred income taxes	1,522
Other assets, net	3,815
Assets held for sale	688,776
Disposal Group, Including Discontinued Operation, Liabilities [Abstract]
Trade accounts payable	27,929
Accrued payroll and related expenses	28,725
Other accrued expenses	16,241
Deferred revenue	27,214
Income taxes payable	244
Other liabilities	3,707
Liabilities held for sale	$ 104,060