XML 139 R110.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Financial Instruments and Risk Management - Foreign Currency Sensitivity Analysis (Details) - Foreign currency forwards and swaps $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 USD ($)
Disclosure of nature and extent of risks arising from financial instruments [line items] |
Reasonably possible change in risk variable, percentage | 1.00%
Canadian dollar |
Disclosure of nature and extent of risks arising from financial instruments [line items] |
Reasonably possible increase in risk variable, impact on net earnings | $ (0.6)
Reasonably possible increase in risk variable, impact on other comprehensive income | 1.1
Reasonably possible decrease in risk variable, impact on net earnings | 0.6
Reasonably possible decrease in risk variable, impact on other comprehensive income | (1.0)
Euro |
Disclosure of nature and extent of risks arising from financial instruments [line items] |
Reasonably possible increase in risk variable, impact on net earnings | 0.0
Reasonably possible increase in risk variable, impact on other comprehensive income | (0.1)
Reasonably possible decrease in risk variable, impact on net earnings | 0.0
Reasonably possible decrease in risk variable, impact on other comprehensive income | 0.1
Thai baht |
Disclosure of nature and extent of risks arising from financial instruments [line items] |
Reasonably possible increase in risk variable, impact on net earnings | (0.1)
Reasonably possible increase in risk variable, impact on other comprehensive income | 0.8
Reasonably possible decrease in risk variable, impact on net earnings | 0.1
Reasonably possible decrease in risk variable, impact on other comprehensive income | (0.7)
Chinese renminbi |
Disclosure of nature and extent of risks arising from financial instruments [line items] |
Reasonably possible increase in risk variable, impact on net earnings | (0.2)
Reasonably possible increase in risk variable, impact on other comprehensive income | 0.4
Reasonably possible decrease in risk variable, impact on net earnings | 0.2
Reasonably possible decrease in risk variable, impact on other comprehensive income | (0.4)
Malaysian ringgit |
Disclosure of nature and extent of risks arising from financial instruments [line items] |
Reasonably possible increase in risk variable, impact on net earnings | (0.1)
Reasonably possible increase in risk variable, impact on other comprehensive income | 0.5
Reasonably possible decrease in risk variable, impact on net earnings | 0.1
Reasonably possible decrease in risk variable, impact on other comprehensive income | $ (0.4)

X
- Definition Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable, Percent + References No definition available. + Details
Name: | cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent
Namespace Prefix: | cls_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Decrease In Risk Variable, Impact On Net Earnings + References No definition available. + Details
Name: | cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleDecreaseInRiskVariableImpactOnNetEarnings
Namespace Prefix: | cls_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Decrease In Risk Variable, Impact On Other Comprehensive Income + References No definition available. + Details
Name: | cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleDecreaseInRiskVariableImpactOnOtherComprehensiveIncome
Namespace Prefix: | cls_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Increase In Risk Variable, Impact On Net Earnings + References No definition available. + Details
Name: | cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleIncreaseInRiskVariableImpactOnNetEarnings
Namespace Prefix: | cls_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Increase In Risk Variable, Impact On Other Comprehensive Income + References No definition available. + Details
Name: | cls_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleIncreaseInRiskVariableImpactOnOtherComprehensiveIncome
Namespace Prefix: | cls_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

X
- Details
Name: | srt_CurrencyAxis=currency_CAD
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_EUR
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_THB
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_CNY
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_MYR
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |