This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses and taxes from ongoing operations, before extraordinary items and noncontrolling interest, per each share of common stock or unit outstanding during the reporting period.

No definition available.

EARNINGS (LOSS) PER SHARE AND STOCKHOLDERS' EQUITY: (Details) (USD $)	3 Months Ended		9 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Mar. 31, 2014	Aug. 31, 2011
Stockholders' Equity
Maximum amount of common stock that may be repurchased						$ 250,000,000
Shares repurchased			500,000us-gaap_TreasuryStockSharesAcquired
Repurchase of treasury stock			9,868,000	52,663,000
Cumulative amount paid for repurchase of treasury stock	945,213,000us-gaap_TreasuryStockValue		945,213,000us-gaap_TreasuryStockValue		928,203,000us-gaap_TreasuryStockValue
Remaining capacity under the stock repurchase program	47,600,000		47,600,000
Basic earnings (loss) per share:
Net earnings (loss) from continuing operations	4,474,000	14,578,000	(3,094,000)	36,519,000
Net earnings (loss) from discontinued operations	(318,000)	489,000	(1,898,000)	1,507,000
Net earnings (loss)	4,156,000us-gaap_ProfitLoss	15,067,000us-gaap_ProfitLoss	(4,992,000)us-gaap_ProfitLoss	38,026,000us-gaap_ProfitLoss
Net loss attributable to noncontrolling interest				(60,000)
Net earnings (loss) attributable to Acxiom	4,156,000us-gaap_NetIncomeLoss	15,067,000us-gaap_NetIncomeLoss	(4,992,000)us-gaap_NetIncomeLoss	38,086,000us-gaap_NetIncomeLoss
Basic weighted-average shares outstanding	77,039,000	75,009,000	76,998,000	74,155,000
Net earnings (loss) from continuing operations (in dollars per share)	$ 0.06	$ 0.19	$ (0.04)	$ 0.49
Net earnings (loss) from discontinued operations (in dollars per share)		$ 0.01	$ (0.02)	$ 0.02
Net earnings (loss) (in dollars per share)	$ 0.05acxm_ProfitLossPerShareBasic	$ 0.20acxm_ProfitLossPerShareBasic	$ (0.06)acxm_ProfitLossPerShareBasic	$ 0.51acxm_ProfitLossPerShareBasic
Net earnings (loss) attributable to Acxiom (in dollars per share)	$ 0.05us-gaap_EarningsPerShareBasic	$ 0.20us-gaap_EarningsPerShareBasic	$ (0.06)us-gaap_EarningsPerShareBasic	$ 0.51us-gaap_EarningsPerShareBasic
Diluted earnings (loss) per share:
Basic weighted-average shares outstanding	77,039,000	75,009,000	76,998,000	74,155,000
Dilutive effect of common stock options, warrants, and restricted stock as computed under the treasury stock method (in shares)	1,263,000	2,830,000		2,301,000
Diluted weighted-average shares outstanding	78,302,000	77,839,000	76,998,000	76,456,000
Net earnings (loss) from continuing operations (in dollars per share)	$ 0.06	$ 0.19	$ (0.04)	$ 0.48
Net earnings (loss) from discontinued operations (in dollars per share)		$ 0.01	$ (0.02)	$ 0.02
Net earnings (loss) (in dollars per share)	$ 0.05acxm_ProfitLossPerShareDiluted	$ 0.19acxm_ProfitLossPerShareDiluted	$ (0.06)acxm_ProfitLossPerShareDiluted	$ 0.50acxm_ProfitLossPerShareDiluted
Net earnings (loss) attributable to Acxiom (in dollars per share)	$ 0.05us-gaap_EarningsPerShareDiluted	$ 0.19us-gaap_EarningsPerShareDiluted	$ (0.06)us-gaap_EarningsPerShareDiluted	$ 0.50us-gaap_EarningsPerShareDiluted
Stockholders' Equity
Number of shares outstanding under options, warrants and restricted stock units	2,012,000	549,000	1,838,000	1,400,000
Minimum
EARNINGS PER SHARE AND STOCKHOLDERS' EQUITY:
Range of exercise prices for options and warrants (in dollars per share)	$ 18.78	$ 32.85	$ 19.18	$ 21.46
Maximum
EARNINGS PER SHARE AND STOCKHOLDERS' EQUITY:
Range of exercise prices for options and warrants (in dollars per share)	$ 62.06	$ 62.06	$ 62.06	$ 62.06
2011 Common stock repurchase program
Stockholders' Equity
Cumulative shares repurchased	12,900,000		12,900,000
Cumulative amount paid for repurchase of treasury stock	$ 202,400,000		$ 202,400,000