RESTRUCTURING, IMPAIRMENT AND OTHER CHARGES: Gains, losses and other items (Details) - USD ($) $ in Thousands	3 Months Ended
Jun. 30, 2017	Jun. 30, 2016
Restructuring and Related Activities [Abstract]
Restructuring plan charges and adjustments	$ (100)	$ 279
Other	2	35
Gains, losses and other items, net	$ (98)	$ 314

Reserve increase (decrease) representing the amount charged against earnings in the period for a specified incurred and estimated type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. Also includes foreign currency translation adjustments and amounts of any reversal and other adjustment made during the period to the amount of a previously accrued liability for a specified type of restructuring cost, excluding costs settled during the period.

No definition available.

Name:	acxm_RestructuringReserveChargesAndAdjustments
Namespace Prefix:	acxm_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration