BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - REVENUE RECOGNITION (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2016
Change in Accounting Estimate [Line Items]
Minimum estimated service period									30 days
Maximum estimated service period									60 days
Estimated service period									12 months
Net revenue	$ 450,274	$ 480,840	$ 443,562	$ 418,216	$ 571,555	$ 476,474	$ 420,167	$ 311,552	$ 1,792,892	$ 1,779,748	$ 1,413,698
Change in income from operations									136,625	76,965	(38,350)
Change in net income	$ 90,853	$ 25,140	$ (2,736)	$ 60,276	$ 99,280	$ (29,842)	$ 36,432	$ (38,567)	$ 173,533	$ 67,303	$ (8,302)
Change in earnings per share, basic	$ 0.80	$ 0.22	$ (0.03)	$ 0.57	$ 0.97	$ (0.33)	$ 0.42	$ (0.46)	$ 1.57	$ 0.73	$ (0.10)
Change in earnings per share, diluted	$ 0.77	$ 0.21	$ (0.03)	$ 0.56	$ 0.89	$ (0.33)	$ 0.39	$ (0.46)	$ 1.54	$ 0.72	$ (0.10)
Grand theft auto V product | Service Life
Change in Accounting Estimate [Line Items]
Estimated service period									62 months
Net revenue									$ (271,741)
Change in income from operations									(250,589)
Change in net income									$ (212,925)
Change in earnings per share, basic									$ (1.93)
Change in earnings per share, diluted									$ (1.81)