RESTRUCTURING ACTIVITY (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Restructuring Reserve [Roll Forward]
Restructuring expenses	$ 0	$ 87	$ 0	$ 87
Content & Entertainment
Restructuring Reserve [Roll Forward]
Restructuring expenses	0			509
Content & Entertainment | Employee Severance
Restructuring Reserve [Roll Forward]
Restructuring reserve, balance at beginning of period			44	505
Total cost		87
Restructuring expenses			0
Restructuring payments		(548)	(44)
Restructuring reserve, balance at end of period	$ 0	$ 44	$ 0	$ 44