Derivatives, Interest Rate, Fixed

No definition available.

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- Definition

Derivatives, Interest Rate, Paid

+ References

No definition available.

+ Details

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- Definition

Derivatives, Interest Rate, Received

+ References

No definition available.

+ Details

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- Definition

Other Non-Current Miscellaneous Assets

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	instant

- References

No definition available.

+ Details

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- References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

The amount of non-current derivative financial assets. [Refer: Derivative financial assets]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2023-01-01
-Paragraph 55
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_55&doctype=Standard
-URIDate 2023-03-23

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

The amount of non-current derivative financial liabilities. [Refer: Derivative financial liabilities]

+ References

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The nominal or face amount of a financial instrument, used to calculate payments made on that instrument.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2023-01-01
-Paragraph 112
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_112_c&doctype=Standard
-URIDate 2023-03-23

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

- Definition

The amount of non-current assets that the entity does not separately disclose in the same statement or note. [Refer: Non-current assets]

+ References

+ Details

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Period Type:	instant

- Details

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- Details

Name:	ifrs-full_HedgingInstrumentsAxis=ats_VariableFixedInterestRateSwapInstrumentMember
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- Details

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- Details

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- Details

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- Details

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- Details

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OTHER ASSETS AND LIABILITIES (Details) $ in Thousands	Mar. 31, 2024 CAD ($)	Nov. 21, 2023 CAD ($)	Mar. 31, 2023 CAD ($)	Nov. 04, 2022 CAD ($)	Apr. 20, 2022 CAD ($)	Apr. 20, 2022 EUR (€)
Miscellaneous non-current assets [abstract]
Other	$ 14		$ 25
Total	18,416		16,679
Cash flow hedges \| Variable fixed interest rate swap instrument
Miscellaneous non-current liabilities [abstract]
Notional amount		$ 300		$ 300
Derivatives, interest rate fixed		4.044%		4.241%
Cross-currency interest rate swap instrument
Miscellaneous non-current liabilities [abstract]
Non-current derivative financial liabilities	14,101		10,718
Cross-currency interest rate swap instrument
Miscellaneous non-current assets [abstract]
Non-current derivative financial assets	17,204		16,187
Cross-currency interest rate swap instrument \| Foreign exchange risk related to senior notes
Miscellaneous non-current liabilities [abstract]
Notional amount					$ 175
Derivatives, interest rate received					4.125%	4.125%
Derivatives, interest rate paid					4.169%	4.169%
Cross-currency interest rate swap instrument \| Net investment in european operations
Miscellaneous non-current liabilities [abstract]
Notional amount \| €						€ 161,142
Derivatives, interest rate received					4.169%	4.169%
Derivatives, interest rate paid					2.351%	2.351%
Variable fixed interest rate swap instrument
Miscellaneous non-current assets [abstract]
Non-current derivative financial assets	$ 1,198		$ 467
Miscellaneous non-current liabilities [abstract]
Notional amount				$ 300
Derivatives, interest rate fixed				4.241%