| **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 |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------|
||
| 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             |

| X                                                                                                                                                                                                                                  |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                      |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Fair Value, Measurement with Unobservable Inputs Reconciliation, Nonrecurring Basis, Liability, Activity, Payments, Other Charges
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                                                                                                                              |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Fair Value, Measurement with Unobservable Inputs Reconciliation, Nonrecurring Basis, Liability, Amortization of Intangibles
+ References
No definition available.
+ Details**Name:**agys_FairValueMeasurementWithUnobservableInputsReconciliationNonrecurringBasisLiabilityAmortizationOfIntangibles**Namespace Prefix:**agys_**Data Type:**xbrli:monetaryItemType**Balance Type:**credit**Period Type:**duration |
| X                                                                                                                                                                                                                                                                                                                                                                                              |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Fair Value, Measurement with Unobservable Inputs Reconciliation, Nonrecurring Basis, Liability, Provisions
+ References
No definition available.
+ Details**Name:**agys_FairValueMeasurementwithUnobservableInputsReconciliationNonrecurringBasisLiabilityProvisions**Namespace Prefix:**agys_**Data Type:**xbrli:monetaryItemType**Balance Type:**credit**Period Type:**duration |
| X                                                                                                                                                                                                                                                                                                                                                                                   |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Fair value measurement with unobservable inputs reconciliations non recurring basis liability value.
+ References
No definition available.
+ Details**Name:**agys_FairValueMeasurementWithUnobservableInputsReconciliationsNonRecurringBasisLiabilityValue**Namespace Prefix:**agys_**Data Type:**xbrli:monetaryItemType**Balance Type:**credit**Period Type:**instant |