XML 86 R62.htm IDEA: XBRL DOCUMENT v3.25.1

ACQUISITIONS - Narrative (Details) € in Thousands, $ in Thousands, $ in Thousands		12 Months Ended
	Jan. 01, 2024 CAD ($)	Mar. 31, 2025 CAD ($)	Aug. 30, 2024 CAD ($)	Aug. 30, 2024 EUR (€)	Jul. 24, 2024 CAD ($)	Jan. 01, 2024 EUR (€)	Nov. 16, 2023 CAD ($)	Nov. 16, 2023 USD ($)	Jul. 03, 2023 CAD ($)	Jul. 03, 2023 EUR (€)	Jun. 30, 2023 CAD ($)	Jun. 30, 2023 EUR (€)	Mar. 28, 2023 CAD ($)
Paxiom Group
Disclosure of detailed information about business combination [line items]
Percentage of voting equity interests acquired					100.00%
Cash consideration					$ 146,438
Trade and other receivables recognised as of acquisition date					$ 5,328
Percentage of intangible assets not tax deductible		80.00%
Percentage of goodwill not tax deductible		87.00%
Revenue of acquiree since acquisition date		$ 31,458
Profit (loss) of acquiree since acquisition date		(3,501)
Revenue of combined entity as if combination occurred at beginning of period		15,729
Profit (loss) of combined entity as if combination occurred at beginning of period		(1,750)
Heidolph Instruments GmbH & Co.
Disclosure of detailed information about business combination [line items]
Cash consideration			$ 45,064	€ 30,252
Trade and other receivables recognised as of acquisition date			$ 2,087
Revenue of acquiree since acquisition date		42,733
Profit (loss) of acquiree since acquisition date		(442)
Revenue of combined entity as if combination occurred at beginning of period		30,524
Profit (loss) of combined entity as if combination occurred at beginning of period		$ (315)
IT.ACA. Engineering S.r.l.
Disclosure of detailed information about business combination [line items]
Percentage of voting equity interests acquired	100.00%					100.00%
Cash consideration	$ 12,444					€ 8,507
Contingent consideration period	36 months
IT.ACA. Engineering S.r.l. | Major business combination
Disclosure of detailed information about business combination [line items]
Cash consideration	$ 7,631					€ 5,217
Avidity Science, LLC
Disclosure of detailed information about business combination [line items]
Percentage of voting equity interests acquired							100.00%	100.00%
Cash consideration							$ 267,649	$ 195,471
Odyssey Validation Consultants Limited
Disclosure of detailed information about business combination [line items]
Percentage of voting equity interests acquired									100.00%	100.00%
Cash consideration									$ 5,636	€ 3,898
Yazzoom B.V.
Disclosure of detailed information about business combination [line items]
Percentage of voting equity interests acquired											100.00%	100.00%
Cash consideration											$ 5,283	€ 3,655
IT.ACA. Engineering S.r.l, Avidity Science, LLC, Odyssey Validation Consultants Limited and Yazzoom B.V.
Disclosure of detailed information about business combination [line items]
Cash consideration													$ 291,012
Trade and other receivables recognised as of acquisition date													$ 21,140
Percentage of goodwill and intangible assets not tax deductible		17.00%

X

- Definition

Contingent Consideration, Period to be Paid

+ References

No definition available.

+ Details

Name:	ats_ContingentConsiderationPeriodToBePaid
Namespace Prefix:	ats_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Goodwill Acquired Through Business Combination, Percentage Not Tax Deductible

+ References

No definition available.

+ Details

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

X

- Definition

Intangible Assets Acquired Through Business Combination, Percentage Not Tax Deductible

+ References

No definition available.

+ Details

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

X

- Definition

Intangible Assets and Goodwill Acquired Through Business Combination, Percentage Not Tax Deductible

+ References

No definition available.

+ Details

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

X

- Definition

Trade And Other Receivables Recognised As Of Acquisition Date

+ References

No definition available.

+ Details

Name:	ats_TradeAndOtherReceivablesRecognisedAsOfAcquisitionDate
Namespace Prefix:	ats_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The fair value, at acquisition date, of cash transferred as consideration in a business combination. [Refer: Total for all business combinations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2024-01-01
-Paragraph B64
-Subparagraph f
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2024-en-r&anchor=para_B64_f_i&doctype=Appendix&subtype=B
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_CashTransferred
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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_DisclosureOfBusinessCombinationsLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The percentage of voting equity interests acquired in a business combination. [Refer: Total for all business combinations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2024-01-01
-Paragraph B64
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2024-en-r&anchor=para_B64_c&doctype=Appendix&subtype=B
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_PercentageOfVotingEquityInterestsAcquired
Namespace Prefix:	ifrs-full_
Data Type:	dtr-2022:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The profit (loss) of the acquiree, since the acquisition date, included in the consolidated statement of comprehensive income. [Refer: Profit (loss)]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2024-01-01
-Paragraph B64
-Subparagraph q
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2024-en-r&anchor=para_B64_q_i&doctype=Appendix&subtype=B
-URIDate 2024-03-27

+ Details

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

X

- Definition

The profit (loss) of the combined entity as though the acquisition date for all business combinations that occurred during the year had been as of the beginning of the annual reporting period. [Refer: Total for all business combinations [member]; Profit (loss)]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2024-01-01
-Paragraph B64
-Subparagraph q
-Clause ii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2024-en-r&anchor=para_B64_q_ii&doctype=Appendix&subtype=B
-URIDate 2024-03-27

+ Details

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

X

- Definition

The amount of revenue of the acquiree since the acquisition date included in the consolidated statement of comprehensive income. [Refer: Revenue]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2024-01-01
-Paragraph B64
-Subparagraph q
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2024-en-r&anchor=para_B64_q_i&doctype=Appendix&subtype=B
-URIDate 2024-03-27

+ Details

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

X

- Definition

The revenue of the combined entity as though the acquisition date for all business combinations that occurred during the year had been as of the beginning of the annual reporting period. [Refer: Total for all business combinations [member]; Revenue]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2024-01-01
-Paragraph B64
-Subparagraph q
-Clause ii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2024-en-r&anchor=para_B64_q_ii&doctype=Appendix&subtype=B
-URIDate 2024-03-27

+ Details

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

X

- Details

Name:	ifrs-full_BusinessCombinationsAxis=ats_PaxiomGroupMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_BusinessCombinationsAxis=ats_HeidolphInstrumentsGmbHCo.Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_BusinessCombinationsAxis=ats_IT.ACA.EngineeringS.r.l.Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_NonadjustingEventsAfterReportingPeriodAxis=ifrs-full_MajorBusinessCombinationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_BusinessCombinationsAxis=ats_AvidityScienceLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_BusinessCombinationsAxis=ats_OdysseyValidationConsultantsLimitedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_BusinessCombinationsAxis=ats_YazzoomB.V.Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_BusinessCombinationsAxis=ats_IT.ACA.EngineeringS.r.lAvidityScienceLLCOdysseyValidationConsultantsLimitedAndYazzoomB.V.Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: