Name:	azpn_CostOfServicesAndOther
Namespace Prefix:	azpn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Period over which customers typically received SMS with the license agreements prior to the introduction of the aspenONE licensing model ("legacy SMS offering").

No definition available.

Name:	azpn_PeriodOverWhichCustomersReceivedSMS
Namespace Prefix:	azpn_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents the amount of concessions given on contract modification to an existing term of arrangement.

No definition available.

Name:	azpn_RevenueRecognitionConcessionsOnContractModificationToExistingTermArrangement
Namespace Prefix:	azpn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	azpn_ScheduleOfRevenueClassificationInIncomeStatementAndRevenueRecognitionMethodologyLineItems
Namespace Prefix:	azpn_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Aggregate revenue during the period from services rendered in the normal course of business, after deducting allowances and discounts. Services and other revenue includes professional services, training and other revenue.

No definition available.

Name:	azpn_ServicesAndOtherRevenue
Namespace Prefix:	azpn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Represents the number of claims outstanding related to indemnification obligations.

No definition available.

Name:	azpn_SoftwareLicensingIndemnificationObligationsNumberOfClaimsOutstanding
Namespace Prefix:	azpn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Costs incurred directly related to generating subscription and software revenue from the licensing of software products. Costs include royalty expense, amortization of capitalized software and purchased technology intangibles; distribution fees and other costs related to the expense associated with providing maintenance on aspenONE subscription arrangements, point product license arrangements where we have not established VSOE for the maintenance deliverable, and other maintenance arrangements for which we have established VSOE.

No definition available.

Name:	azpn_SubscriptionAndSoftwareCostOfRevenue
Namespace Prefix:	azpn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Includes revenue earned during the period from (i) software license agreements under our aspenONE subscription offering, which include the right to receive unspecified future software products (ii) point product license agreements that are bundled with maintenance for which VSOE has not been established for maintenance; (iii) maintenance revenue for which we have VSOE; and (iv) other revenue earned during the period relating to consideration received from another party for the right to license our software products.

No definition available.

Name:	azpn_SubscriptionAndSoftwareRevenue
Namespace Prefix:	azpn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- References

No definition available.

Name:	us-gaap_OtherCommitmentsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

Name:	us-gaap_RevenueRecognitionAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Name:	us-gaap_StatementScenarioAxis=us-gaap_ScenarioPreviouslyReportedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_StatementScenarioAxis=azpn_ReclassificationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_ProductOrServiceAxis=azpn_LegacySMSServicesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_ProductOrServiceAxis=azpn_SubscriptionAndSoftwareServicesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: