XML 85 R61.htm IDEA: XBRL DOCUMENT
v3.25.1

SUMMARY OF MATERIAL ACCOUNTING POLICIES (Details) | 12 Months Ended
--- | ---
Mar. 31, 2025
Minimum |
Disclosure of detailed information about intangible assets [line items] |
Useful life measured as period of time, intangible assets other than goodwill | 1 year
Minimum | Buildings |
Disclosure of detailed information about intangible assets [line items] |
Useful life measured as period of time, property, plant and equipment | 25 years
Minimum | Production equipment |
Disclosure of detailed information about intangible assets [line items] |
Useful life measured as period of time, property, plant and equipment | 3 years
Minimum | Other equipment |
Disclosure of detailed information about intangible assets [line items] |
Useful life measured as period of time, property, plant and equipment | 3 years
Maximum |
Disclosure of detailed information about intangible assets [line items] |
Useful life measured as period of time, intangible assets other than goodwill | 15 years
Maximum | Buildings |
Disclosure of detailed information about intangible assets [line items] |
Useful life measured as period of time, property, plant and equipment | 40 years
Maximum | Production equipment |
Disclosure of detailed information about intangible assets [line items] |
Useful life measured as period of time, property, plant and equipment | 10 years
Maximum | Other equipment |
Disclosure of detailed information about intangible assets [line items] |
Useful life measured as period of time, property, plant and equipment | 10 years

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

X
- Definition The useful life, measured as period of time, used for intangible assets other than goodwill. [Refer: Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2024-01-01 -Paragraph 118 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2024-en-r&anchor=para_118_a&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The useful life, measured as period of time, used for property, plant and equipment. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2024-01-01 -Paragraph 73 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2024-en-r&anchor=para_73_c&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_BuildingsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ats_ProductionEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_OtherPropertyPlantAndEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |