XML 113 R86.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Capital Stock - Schedule of Information about RSUs and PSUs Granted and Outstanding (Details) | 12 Months Ended
--- | ---
Dec. 31, 2023 shares $ / shares | Dec. 31, 2022 shares $ / shares | Dec. 31, 2021 shares $ / shares
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Number of awards (in millions) (in shares) | 0 | 0 | 90,000.00
Weighted average grant date fair value per option (in dollars per share) | $ / shares | $ 0 | $ 0 | $ 4.22
RSUs |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Number of awards (in millions) (in shares) | 2,000,000.0 | 2,000,000.0 | 3,000,000.0
Weighted average grant date fair value per unit (in usd per share) | $ / shares | $ 13.20 | $ 12.17 | $ 8.36
Number of shares outstanding (in shares) | 3,200,000 | 3,800,000 | 4,600,000
PSUs |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Number of awards (in millions) (in shares) | 1,300,000 | 1,300,000 | 2,900,000
Weighted average grant date fair value per unit (in usd per share) | $ / shares | $ 15.06 | $ 14.27 | $ 9.49
Number of awards (in millions, representing 100% of target) (in shares) | 100.00% | 100.00% | 100.00%
Number of shares outstanding (in shares) | 4,600,000 | 5,100,000 | 6,100,000

X
- Definition Equity Instruments Other Than Options, Granted In Period, Percentage Of Target + References No definition available. + Details
Name: | cls_EquityInstrumentsOtherThanOptionsGrantedInPeriodPercentageOfTarget
Namespace Prefix: | cls_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted Average Fair Value At The Grant Date + References No definition available. + Details
Name: | cls_WeightedAverageFairValueAtTheGrantDate
Namespace Prefix: | cls_
Data Type: | dtr-types1:perShareItemType
Balance Type: | na
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_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of other equity instruments (ie other than share options) granted in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 2 -IssueDate 2023-01-01 -Paragraph 45 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&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 2 -IssueDate 2023-01-01 -Paragraph 47 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_47_b&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of other equity instruments (ie other than share options) outstanding in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 2 -IssueDate 2023-01-01 -Paragraph 45 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_45&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of share options granted in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2023-01-01 -Paragraph 45 -Subparagraph b -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_45_b_ii&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition The weighted average share price used as input to the option pricing model to calculate the fair value of share options granted. [Refer: Option pricing model [member]; Weighted average [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2023-01-01 -Paragraph 47 -Subparagraph a -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_47_a_i&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019
Namespace Prefix: | ifrs-full_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=cls_RestrictedStockUnitsRSU1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=cls_PerformanceShareUnitsPSUMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |