XML 125 R101.htm IDEA: XBRL DOCUMENT v3.24.1.1.u2

TAXATION - Narrative (Details) - CAD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]
Deferred tax expense (benefit)	$ (29,915)	$ (37,542)
Investment tax credits taxable in future years when utilized
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]
Deferred tax expense (benefit)	(19,379)	$ (13,819)
Unrecognized tax benefits	$ 7,986

X

- Definition

The amount of tax expense (income) relating to changes in deferred tax liabilities and deferred tax assets. [Refer: Deferred tax assets; Deferred tax liabilities]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2023-01-01
-Paragraph 81
-Subparagraph g
-Clause ii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2023-en-r&anchor=para_81_g_ii&doctype=Standard
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_DeferredTaxExpenseIncome
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

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

+ References

No definition available.

+ Details

Name:	ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The amount of benefit arising from a previously unrecognised tax loss, tax credit or temporary difference of a prior period that is used to reduce deferred tax expense. [Refer: Deferred tax expense (income); Temporary differences [member]; Unused tax losses [member]; Unused tax credits [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 12
-IssueDate 2023-01-01
-Paragraph 80
-Subparagraph f
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2023-en-r&anchor=para_80_f&doctype=Standard
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_TaxBenefitArisingFromPreviouslyUnrecognisedTaxLossTaxCreditOrTemporaryDifferenceOfPriorPeriodUsedToReduceDeferredTaxExpense
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis=ats_InvestmentTaxCreditsTemporaryDifferencesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: