Amount of customer filed suit against claiming damages.

No definition available.

Name:	air_CustomerFiledSuitAgainstClaimingDamages
Namespace Prefix:	air_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of fair market value of engines at the time of sale.

+ References

No definition available.

+ Details

Name:	air_FairMarketValueOfEnginesAtTimeOfSale
Namespace Prefix:	air_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- References

No definition available.

+ Details

Name:	air_LegalProceedingsAbstract
Namespace Prefix:	air_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The period for which sentence in prison is charged under the settlement of litigation.

+ References

No definition available.

+ Details

Name:	air_LitigationSettlementPeriodOfSentenceInPrison
Namespace Prefix:	air_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of legal expenses receivable related to a loss contingency.

+ References

No definition available.

+ Details

Name:	air_LossContingencyReceivableLegalExpenses
Namespace Prefix:	air_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The value (monetary amount) of the award the plaintiff seeks in the legal matter previously is reversed now.

+ References

No definition available.

+ Details

Name:	air_LossContingencyReversalOfDamagesSoughtValue
Namespace Prefix:	air_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represents the number of engines purchased.

+ References

No definition available.

+ Details

Name:	air_NumberOfEnginesPurchased
Namespace Prefix:	air_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount awarded to other party in judgment or settlement of litigation.

+ References

+ Details

Name:	us-gaap_LitigationSettlementAmountAwardedToOtherParty
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(6))
-SubTopic 10
-Topic 220
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

+ Details

Name:	us-gaap_LitigationSettlementExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of loss from litigation settlement for amount awarded to other party. Excludes claims within an insurance entity's normal claims settlement process.

+ References

+ Details

Name:	us-gaap_LitigationSettlementLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of loss contingency liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-1

Reference 2: http://www.xbrl.org/2003/role/recommendedDisclosureRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-10

+ Details

Name:	us-gaap_LossContingencyAccrualAtCarryingValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The value (monetary amount) of the award the plaintiff seeks in the legal matter.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-9

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-4

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of loss (reversal of loss) recognized for loss contingency liability. Includes, but is not limited to, effect of revision in previously reported estimate.

+ References

+ Details

Name:	us-gaap_LossContingencyLossInPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Legal Proceedings and Other Matters (Details) $ in Millions					3 Months Ended				12 Months Ended
Legal Proceedings and Other Matters (Details) $ in Millions	Feb. 10, 2025 USD ($)	Oct. 11, 2024 USD ($)	Sep. 26, 2023 USD ($)	Mar. 03, 2023 USD ($)	Feb. 28, 2025 USD ($)	Nov. 30, 2024 USD ($)	Aug. 31, 2023 USD ($)	Feb. 28, 2023 USD ($)	May 31, 2026 USD ($)	May 31, 2017 engine	May 31, 2016 engine	May 31, 2023 USD ($)
Legal Proceedings and Other Matters
Number of engines purchased \| engine										4	4
Fair market value of engines at the time of sale									$ 13.0
Russian court awarded to other party in judgement			$ 13.0	$ 1.8
Litigation settlement						$ 0.9			0.9
Loss contingency, loss recognized in period							$ 11.2	$ 1.8
Amount appealed	$ 1.8	$ 1.8							1.8
Loss contingency liability recognized									2.1
Reversal of damages sought value					$ 11.2
Customer filed suit against claiming damages												$ 32.0
Loss contingency, receivable , legal expenses									$ 1.5
Total amount payable						$ 55.6
Period of sentence in prison									1 year 6 months