XML 103 R79.htm IDEA: XBRL DOCUMENT
v3.25.1

FINANCIAL INSTRUMENTS AND RISK MANAGEMENT - Trade payables (Details) - Trade accounts payable and accrued liabilities - Liquidity risk - CAD ($) $ in Thousands | Mar. 31, 2025 | Mar. 31, 2024
--- | --- | ---
Disclosure of detailed information about financial instruments [line items] |  |
Accounts payable and accrued liabilities | $ 267,179 | $ 221,464
1 – 30 days |  |
Disclosure of detailed information about financial instruments [line items] |  |
Accounts payable and accrued liabilities | 189,242 | 179,521
31 – 60 days |  |
Disclosure of detailed information about financial instruments [line items] |  |
Accounts payable and accrued liabilities | 35,959 | 27,514
61 – 90 days |  |
Disclosure of detailed information about financial instruments [line items] |  |
Accounts payable and accrued liabilities | 21,209 | 7,732
Over 90 days |  |
Disclosure of detailed information about financial instruments [line items] |  |
Accounts payable and accrued liabilities | $ 20,769 | $ 6,697

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 amount of trade payables and other payables. [Refer: Trade payables; Other payables] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 54 -Subparagraph k -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_54_k&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_TradeAndOtherPayables
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | ifrs-full_ClassesOfFinancialLiabilitiesAxis=ats_TradeAccountsPayableAndAccruedLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfRisksAxis=ifrs-full_LiquidityRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_NotLaterThanOneMonthMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanOneMonthAndNotLaterThanTwoMonthsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanThreeMonthsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |