Fair Value Measurements - Changes in Fair Value of Level 3 Assets and Liabilities on a Nonrecurring Basis (Details) (SERP obligations [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
Mar. 31, 2013
SERP obligations [Member]
Fair Value, Liabilities Measured on Nonrecurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at beginning of period	$ 3,323
Amortization	0
Provisions	0
Activity, payments and other charges (net)	3,323
Balance at end of period	$ 0

Fair Value, Measurement with Unobservable Inputs Reconciliation, Nonrecurring Basis, Liability, Activity, Payments, Other Charges

No definition available.

Name:	agys_FairValueMeasurementwithUnobservableInputsReconciliationNonrecurringBasisLiabilityActivityPaymentsOtherCharges
Namespace Prefix:	agys_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration