Share - Based Compensation (Details 1) $ in Thousands	12 Months Ended
Jun. 30, 2021 USD ($)
Schedule Of Unrecognized Compensation Cost Nonvested Awards Table Text Block [Line Items]
Total unrecognized compensation costs under award programs	$ 13,372
Expected Period for Recognition	2 years 1 month 6 days
Stock Options and Stock Appreciation Rights [ Member]
Schedule Of Unrecognized Compensation Cost Nonvested Awards Table Text Block [Line Items]
Total unrecognized compensation costs under award programs	$ 2,848
Expected Period for Recognition	2 years 1 month 6 days
Performance Shares [Member]
Schedule Of Unrecognized Compensation Cost Nonvested Awards Table Text Block [Line Items]
Total unrecognized compensation costs under award programs	$ 5,172
Expected Period for Recognition	1 year 8 months 12 days
Restricted stock and Restricted Stock units [Member]
Schedule Of Unrecognized Compensation Cost Nonvested Awards Table Text Block [Line Items]
Total unrecognized compensation costs under award programs	$ 5,352
Expected Period for Recognition	2 years 6 months

[Line Items] for Schedule Of Unrecognized Compensation Cost Nonvested Awards Table Text Block [Table]

No definition available.

Name:	ait_ScheduleOfUnrecognizedCompensationCostNonvestedAwardsTableTextBlockLineItems
Namespace Prefix:	ait_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

+ Details

Name:	us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

+ Details

Name:	us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_AwardTypeAxis=ait_StockOptionsAndStockAppreciationRightsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_PerformanceSharesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=ait_RestrictedStockAndRestrictedStockUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: