INCOME TAXES (Detail) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Income Tax Contingency [Line Items]
Income tax (provision) benefit	$ (371)		$ (591)	$ 28,572	$ (2,227)
Effective income tax (in percent)	(2.40%)		(94.40%)	(40.80%)	19.80%
Saba Software, Inc.
Income Tax Contingency [Line Items]
Income tax (provision) benefit		$ 26,700
Increase in uncertain tax positions				$ 5,500