SHARE-BASED COMPENSATION: (Details) (USD $)	6 Months Ended		6 Months Ended	0 Months Ended	6 Months Ended
	Sep. 30, 2014	Sep. 30, 2014 Stock Option and Equity Compensation Plans	Sep. 30, 2014 Stock options multiple	Jul. 01, 2014 LiveRamp Inc	Sep. 30, 2014 LiveRamp Inc Stock options multiple	Sep. 30, 2014 Maximum LiveRamp Inc Stock options	Sep. 30, 2014 Minimum LiveRamp Inc Stock options
Share-based compensation
Aggregate number of shares reserved for issuance under equity compensation plans since the inception of such plans		26,400,000
Shares which remained available for future grants		2,200,000
Granted (in shares)			381,509
Per-share weighted-average fair value of the stock options granted (in dollars per share)			$ 8.14
Pricing model used for share-based compensation arrangement			binomial lattice		binomial lattice
Dividend yield (as a percent)			0.00%		0.00%
Risk-free interest rate (as a percent)			0.025%
Minimum risk-free interest rate (as a percent)					0.0157%
Maximum risk-free interest rate (as a percent)					0.0254%
Expected option life			4 years 4 months 24 days			9 years 8 months 12 days	6 years 1 month 6 days
Expected volatility (as a percent)			0.43%		0.43%
Suboptimal exercise multiple			1.4		1.4
Fair value of stock options included in purchase price				$ 6,978,000	$ 6,978,000
Stock options assumed allocated to future services				23,500,000	23,500,000
LiveRamp stock option exchange ratio					0.63774%
Option Activity - Number of Shares
Outstanding at the beginning of the period (in shares)	4,538,518
Granted (in shares)	381,509
LiveRamp replacement stock options	1,473,668
Exercised (in shares)	(34,465)
Forfeited or cancelled (in shares)	(562,484)
Outstanding at the end of the period (in shares)	5,796,746
Exercisable at the end of the period (in shares)	3,373,001
Weighted-average exercise price per share
Outstanding at the beginning of the period (in dollars per share)	$ 20.30
Granted (in dollars per share)	$ 21.17
LiveRamp replacement stock options (in dollars per share)	$ 1.37
Exercised (in dollars per share)	$ 10.05
Forfeited or cancelled (in dollars per share)	$ 32.50
Outstanding at the end of the period (in dollars per share)	$ 14.42
Exercisable at the end of the period (in dollars per share)	$ 18.18
Weighted-average remaining contractual term
Outstanding at the end of the period	5 years 3 months 29 days
Exercisable at the end of the period	3 years 3 months 15 days
Aggregate intrinsic value
Exercised	269,000
Outstanding at the end of the period	28,023,000
Exercisable at the end of the period	$ 7,014,000