XML 103 R79.htm IDEA: XBRL DOCUMENT v3.24.1.1.u2

FINANCIAL INSTRUMENTS AND RISK MANAGEMENT - Narrative (Details) $ in Thousands, $ in Thousands	12 Months Ended
	Mar. 31, 2024 CAD ($)	Mar. 31, 2024 USD ($)	Mar. 31, 2023 CAD ($)	Mar. 31, 2023 USD ($)	Nov. 21, 2023 CAD ($)	Nov. 04, 2022 CAD ($)	Apr. 20, 2022 EUR (€)	Apr. 20, 2022 USD ($)	Mar. 31, 2022 CAD ($)
Disclosure of detailed information about financial instruments [line items]
Cash and cash equivalents	$ 170,177		$ 159,867						$ 135,282
Credit Facility
Disclosure of detailed information about financial instruments [line items]
Undrawn borrowing facilities	447,339		456,010
Currency risk
Disclosure of detailed information about financial instruments [line items]
Effect on accumulated other comprehensive income	8,602	$ 36,925	62,943	$ 72,051
Effect on income before income taxes	$ 1,679	$ 6,934	12	$ 2,840
Reasonably possible change in risk variable, percent	5.00%
Interest rate risk
Disclosure of detailed information about financial instruments [line items]
Effect on income before income taxes	$ 4,084		3,884
Debt subject to movements	$ 408,420		$ 388,397
Debt subject to movements, percentage	34.00%		33.00%
Reasonably possible change in risk variable, percent	1.00%
Forward contract
Disclosure of detailed information about financial instruments [line items]
Risk management gains (losses)	$ 5,448		$ (21,553)
Unrealized gains (losses)	3,146		(2,758)
Realized gains (losses)	2,302		(18,795)
Cash flow hedges
Disclosure of detailed information about financial instruments [line items]
Income recognized	$ 345		$ 75
Cash flow hedges | Interest rate swap instrument
Disclosure of detailed information about financial instruments [line items]
Notional amount							€ 161,142	$ 175
US interest rate received							4.125%	4.125%
Canadian interest rate paid							4.169%	4.169%
Canadian interest rate received							4.169%	4.169%
Euro interest rate paid							2.351%	2.351%
Cash flow hedges | Variable fixed interest rate swap instrument
Disclosure of detailed information about financial instruments [line items]
Notional amount					$ 300	$ 300
Derivatives, interest rate fixed					4.044%	4.241%

X

- Definition

Derivative, Interest Rate, Paid, Canadian Dollar

+ References

No definition available.

+ Details

Name:	ats_DerivativeInterestRatePaidCanadianDollar
Namespace Prefix:	ats_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Derivative, Interest Rate, Paid, Euro

+ References

No definition available.

+ Details

Name:	ats_DerivativeInterestRatePaidEuro
Namespace Prefix:	ats_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Derivative, Interest Rate, Received, Canadian Dollar

+ References

No definition available.

+ Details

Name:	ats_DerivativeInterestRateReceivedCanadianDollar
Namespace Prefix:	ats_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Derivative, Interest Rate, Received, US Dollar

+ References

No definition available.

+ Details

Name:	ats_DerivativeInterestRateReceivedUSDollar
Namespace Prefix:	ats_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Derivatives, Interest Rate, Fixed

+ References

No definition available.

+ Details

Name:	ats_DerivativesInterestRateFixed
Namespace Prefix:	ats_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Realized Gain (Loss) on Designation of Financial Instrument as Measured at Fair Value Through Profit or Loss Because Credit Derivative is Used to Manage Credit Risk

+ References

No definition available.

+ Details

Name:	ats_RealizedGainLossOnDesignationOfFinancialInstrumentAsMeasuredAtFairValueThroughProfitOrLossBecauseCreditDerivativeIsUsedToManageCreditRisk
Namespace Prefix:	ats_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Sensitivity Analysis For Types of Market Risk, Impact On Accumulated Other Comprehensive Income (Loss)

+ References

No definition available.

+ Details

Name:	ats_SensitivityAnalysisForTypesOfMarketRiskImpactOnAccumulatedOtherComprehensiveIncomeLoss
Namespace Prefix:	ats_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Sensitivity Analysis For Types of Market Risk, Impact On Pre-Tax Earnings

+ References

No definition available.

+ Details

Name:	ats_SensitivityAnalysisForTypesOfMarketRiskImpactOnPreTaxEarnings
Namespace Prefix:	ats_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Sensitivity Analysis for Types of Market Risk, Reasonably Possible Change in Risk Variable, Percent

+ References

No definition available.

+ Details

Name:	ats_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent
Namespace Prefix:	ats_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Sensitivity Analysis for Types of Market Risk, Risk Impact, Debt

+ References

No definition available.

+ Details

Name:	ats_SensitivityAnalysisForTypesOfMarketRiskRiskImpactDebt
Namespace Prefix:	ats_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Sensitivity Analysis for Types of Market Risk, Risk Impact, Debt, Percent

+ References

No definition available.

+ Details

Name:	ats_SensitivityAnalysisForTypesOfMarketRiskRiskImpactDebtPercent
Namespace Prefix:	ats_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Unrealized Gain (Loss) on Designation of Financial Instrument as Measured at Fair Value Through Profit or Loss Because Credit Derivative is Used to Manage Credit Risk

+ References

No definition available.

+ Details

Name:	ats_UnrealizedGainLossOnDesignationOfFinancialInstrumentAsMeasuredAtFairValueThroughProfitOrLossBecauseCreditDerivativeIsUsedToManageCreditRisk
Namespace Prefix:	ats_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 7
-IssueDate 2023-01-01
-Paragraph 45
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_45&doctype=Standard
-URIDate 2023-03-23

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2023-01-01
-Paragraph B13
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_B13_a&doctype=Appendix&subtype=B
-URIDate 2023-03-23

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2023-01-01
-Paragraph 54
-Subparagraph i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_54_i&doctype=Standard
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_CashAndCashEquivalents
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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

X

- Definition

The gain (loss) recognised on designation of a financial instrument, or a proportion of it, as measured at fair value through profit or loss, because a credit derivative is used to manage the credit risk of that financial instrument. [Refer: Credit risk [member]; Derivatives [member]; Financial instruments, class [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2023-01-01
-Paragraph 24G
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_24G_b&doctype=Standard
-URIDate 2023-03-23

+ Details

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

X

- Definition

The gain (loss) recognised in profit or loss on hedge ineffectiveness. [Refer: Gain (loss) on hedge ineffectiveness]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2023-01-01
-Paragraph 24C
-Subparagraph a
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_24C_a_i&doctype=Standard
-URIDate 2023-03-23

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2023-01-01
-Paragraph 24C
-Subparagraph b
-Clause ii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_24C_b_ii&doctype=Standard
-URIDate 2023-03-23

+ Details

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

X

- 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

Name:	ifrs-full_NotionalAmount
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The amount of undrawn borrowing facilities that may be available for future operating activities and to settle capital commitments. [Refer: Capital commitments]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 7
-IssueDate 2023-01-01
-Paragraph 50
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_50_a&doctype=Standard
-URIDate 2023-03-23

+ Details

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

X

- Details

Name:	ifrs-full_BorrowingsByNameAxis=ats_CreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_TypesOfRisksAxis=ifrs-full_CurrencyRiskMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_TypesOfRisksAxis=ifrs-full_InterestRateRiskMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_HedgingInstrumentsAxis=ifrs-full_ForwardContractMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_TypesOfHedgesAxis=ifrs-full_CashFlowHedgesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_HedgingInstrumentsAxis=ifrs-full_InterestRateSwapContractMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_HedgingInstrumentsAxis=ats_VariableFixedInterestRateSwapInstrumentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: