STOCKHOLDERS' EQUITY: (Details 4) (USD $) In Millions, except Share data, unless otherwise specified
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9 Months Ended |
12 Months Ended |
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Performance-based |
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Share-based compensation activity |
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Granted (in shares) |
312,575us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_VestingAxis = us-gaap_PerformanceSharesMember |
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Outstanding at the end of the period (in shares) |
312,575us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_VestingAxis = us-gaap_PerformanceSharesMember |
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Share-based compensation, Weighted average fair value per share at grant date |
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Granted (in dollars per share) |
$ 5.23us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue / us-gaap_VestingAxis = us-gaap_PerformanceSharesMember |
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Outstanding at the end of the period (in dollars per share) |
$ 5.23us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue / us-gaap_VestingAxis = us-gaap_PerformanceSharesMember |
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Weighted-average remaining contractual term |
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Outstanding at the end of the period (in years) |
2 years 4 months 10 days |
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Share-based Activity - Other disclosures |
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Aggregate fair value of restricted stock units granted |
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$ 1.6acxm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodTotalFairValue / us-gaap_VestingAxis = us-gaap_PerformanceSharesMember |
Share-based compensation expense |
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0.3us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_VestingAxis = us-gaap_PerformanceSharesMember |
Future share-based compensation expense expected |
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1.3us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions / us-gaap_VestingAxis = us-gaap_PerformanceSharesMember |
Vesting based on attainment of certain revenue targets from April 1, 2014 to March 31, 2017 |
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Share-based compensation activity |
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Granted (in shares) |
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201,464us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_VestingAxis = acxm_PerformanceSharesVestingBasedOnAttainmentOfCertainRevenueTargetsFromApril12014ToMarch312017Member |
Share-based Activity - Other disclosures |
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Consecutive trading days during the performance period |
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20 days |
Vesting based on attainment of certain revenue targets from April 1, 2014 to March 31, 2017 | Minimum |
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Share-based Activity - Other disclosures |
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Performance share awards vested (as a percent) |
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0.00%acxm_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfEquityInstrumentOtherThanOptionsPercentageOfVesting / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_VestingAxis = acxm_PerformanceSharesVestingBasedOnAttainmentOfCertainRevenueTargetsFromApril12014ToMarch312017Member |
Price (in dollars per share) |
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$ 40us-gaap_SharePrice / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_VestingAxis = acxm_PerformanceSharesVestingBasedOnAttainmentOfCertainRevenueTargetsFromApril12014ToMarch312017Member |
Vesting based on attainment of certain revenue targets from April 1, 2014 to March 31, 2017 | Maximum |
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Share-based Activity - Other disclosures |
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Performance share awards vested (as a percent) |
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100.00%acxm_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfEquityInstrumentOtherThanOptionsPercentageOfVesting / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_VestingAxis = acxm_PerformanceSharesVestingBasedOnAttainmentOfCertainRevenueTargetsFromApril12014ToMarch312017Member |
Price (in dollars per share) |
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$ 70us-gaap_SharePrice / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_VestingAxis = acxm_PerformanceSharesVestingBasedOnAttainmentOfCertainRevenueTargetsFromApril12014ToMarch312017Member |
Vesting based on attainment of certain revenue targets from April 1, 2015 to March 31, 2018 |
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Share-based compensation activity |
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Granted (in shares) |
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111,111us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_VestingAxis = acxm_PerformanceSharesVestingBasedOnAttainmentOfCertainRevenueTargetsFromApril12015ToMarch312018Member |
Share-based Activity - Other disclosures |
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Consecutive trading days during the performance period |
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20 days |
Vesting based on attainment of certain revenue targets from April 1, 2015 to March 31, 2018 | Minimum |
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Share-based Activity - Other disclosures |
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Performance share awards vested (as a percent) |
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0.00%acxm_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfEquityInstrumentOtherThanOptionsPercentageOfVesting / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_VestingAxis = acxm_PerformanceSharesVestingBasedOnAttainmentOfCertainRevenueTargetsFromApril12015ToMarch312018Member |
Price (in dollars per share) |
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$ 25us-gaap_SharePrice / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_VestingAxis = acxm_PerformanceSharesVestingBasedOnAttainmentOfCertainRevenueTargetsFromApril12015ToMarch312018Member |
Vesting based on attainment of certain revenue targets from April 1, 2015 to March 31, 2018 | Maximum |
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Share-based Activity - Other disclosures |
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Performance share awards vested (as a percent) |
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100.00%acxm_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfEquityInstrumentOtherThanOptionsPercentageOfVesting / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_VestingAxis = acxm_PerformanceSharesVestingBasedOnAttainmentOfCertainRevenueTargetsFromApril12015ToMarch312018Member |
Price (in dollars per share) |
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$ 45us-gaap_SharePrice / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_VestingAxis = acxm_PerformanceSharesVestingBasedOnAttainmentOfCertainRevenueTargetsFromApril12015ToMarch312018Member |
Stock Appreciation Rights (SARs) | Performance-based |
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Share-based compensation activity |
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Outstanding at the end of the period (in shares) |
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245,404us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_StockAppreciationRightsSARSMember / us-gaap_VestingAxis = us-gaap_PerformanceSharesMember |
Share-based compensation, Weighted average fair value per share at grant date |
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Outstanding at the end of the period (in dollars per share) |
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$ 40.00us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_StockAppreciationRightsSARSMember / us-gaap_VestingAxis = us-gaap_PerformanceSharesMember |
Weighted-average remaining contractual term |
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Outstanding at the end of the period (in years) |
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2 years |
Share-based Activity - Other disclosures |
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Share-based compensation expense |
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0.2us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_AwardTypeAxis = us-gaap_StockAppreciationRightsSARSMember / us-gaap_VestingAxis = us-gaap_PerformanceSharesMember |
Future share-based compensation expense expected |
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0.4us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions / us-gaap_AwardTypeAxis = us-gaap_StockAppreciationRightsSARSMember / us-gaap_VestingAxis = us-gaap_PerformanceSharesMember |
Stock Appreciation Rights (SARs) | Vesting based on attainment of certain revenue targets from April 1, 2014 to March 31, 2017 |
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Share-based compensation activity |
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Granted (in shares) |
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245,404us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_StockAppreciationRightsSARSMember / us-gaap_VestingAxis = acxm_PerformanceSharesVestingBasedOnAttainmentOfCertainRevenueTargetsFromApril12014ToMarch312017Member |
Share-based compensation, Weighted average fair value per share at grant date |
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Granted (in dollars per share) |
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$ 40.00us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_StockAppreciationRightsSARSMember / us-gaap_VestingAxis = acxm_PerformanceSharesVestingBasedOnAttainmentOfCertainRevenueTargetsFromApril12014ToMarch312017Member |
Share-based Activity - Other disclosures |
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Aggregate fair value of restricted stock units granted |
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$ 0.5acxm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodTotalFairValue / us-gaap_AwardTypeAxis = us-gaap_StockAppreciationRightsSARSMember / us-gaap_VestingAxis = acxm_PerformanceSharesVestingBasedOnAttainmentOfCertainRevenueTargetsFromApril12014ToMarch312017Member |
Performance share awards vested (as a percent) |
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100.00%acxm_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfEquityInstrumentOtherThanOptionsPercentageOfVesting / us-gaap_AwardTypeAxis = us-gaap_StockAppreciationRightsSARSMember / us-gaap_VestingAxis = acxm_PerformanceSharesVestingBasedOnAttainmentOfCertainRevenueTargetsFromApril12014ToMarch312017Member |
Consecutive trading days during the performance period |
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20 days |
Stock Appreciation Rights (SARs) | Vesting based on attainment of certain revenue targets from April 1, 2014 to March 31, 2017 | Maximum |
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Share-based Activity - Other disclosures |
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Price (in dollars per share) |
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$ 70us-gaap_SharePrice / us-gaap_AwardTypeAxis = us-gaap_StockAppreciationRightsSARSMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_VestingAxis = acxm_PerformanceSharesVestingBasedOnAttainmentOfCertainRevenueTargetsFromApril12014ToMarch312017Member |