XML 125 R96.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Pension and Non-pension Post-employment Benefit Plans - Summary of Plan Assets (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2020 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Disclosure of net defined benefit liability (asset) [line items] |  |  |  |
Loss on pension annuity purchases (see note 18(a)) | $ 0.2 | $ 0.0 | $ 0.2 | $ 0.0
Pension Plan |  |  |  |
Disclosure of net defined benefit liability (asset) [line items] |  |  |  |
Interest income |  | (0.4) | (0.5) | (0.6)
Administrative expenses paid from plan assets |  | 1.3 | 1.1 | 1.5
Pension Plan | Plan assets |  |  |  |
Disclosure of net defined benefit liability (asset) [line items] |  |  |  |
Plan assets, beginning of year |  | 378.1 | 328.5 |
Interest income |  | 5.2 | 6.4 |
Actuarial losses in other comprehensive income |  | (5.2) | 36.4 |
Administrative expenses paid from plan assets |  | (0.8) | (1.1) |
Employer contributions |  | 4.7 | 4.0 |
Employer direct benefit payments |  | 1.4 | 1.1 |
Employer direct settlement payments |  | 0.0 | 0.0 |
Settlement payments from employer |  | 0.0 | 0.0 |
Settlement payments from plan |  | 0.0 | 0.0 |
Benefit payments from plan |  | (16.8) | (12.5) |
Benefit payments from employer |  | (1.4) | (1.1) |
Foreign currency exchange rate changes and other |  | (5.3) | 16.4 |
Plan assets, end of year |  | 359.9 | 378.1 | 328.5
Other benefit plans |  |  |  |
Disclosure of net defined benefit liability (asset) [line items] |  |  |  |
Interest income |  | (2.4) | (2.4) | (2.6)
Administrative expenses paid from plan assets |  | 0.0 | 0.0 | 0.0
Other benefit plans | Plan assets |  |  |  |
Disclosure of net defined benefit liability (asset) [line items] |  |  |  |
Plan assets, beginning of year |  | 2.0 | 1.8 |
Interest income |  | 0.0 | 0.0 |
Actuarial losses in other comprehensive income |  | 0.0 | 0.0 |
Administrative expenses paid from plan assets |  | 0.0 | 0.0 |
Employer contributions |  | 0.8 | 0.4 |
Employer direct benefit payments |  | 1.7 | 2.6 |
Employer direct settlement payments |  | 1.1 | 4.8 |
Settlement payments from employer |  | (1.1) | (4.8) |
Settlement payments from plan |  | (0.2) | (0.1) |
Benefit payments from plan |  | (0.5) | (0.2) |
Benefit payments from employer |  | (1.7) | (2.6) |
Foreign currency exchange rate changes and other |  | (0.1) | 0.1 |
Plan assets, end of year |  | $ 2.0 | $ 2.0 | $ 1.8

X
- Definition Administrative Expenses, Net Defined Benefit Liability (Asset) + References No definition available. + Details
Name: | cls_AdministrativeExpensesNetDefinedBenefitLiabilityAsset
Namespace Prefix: | cls_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Employer Direct Benefit Payments, Net Defined Benefit Liability (Asset) + References No definition available. + Details
Name: | cls_EmployerDirectBenefitPaymentsNetDefinedBenefitLiabilityAsset
Namespace Prefix: | cls_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Employer Direct Settlement Payments, Net Defined Benefit Liability (Asset) + References No definition available. + Details
Name: | cls_EmployerDirectSettlementPaymentsNetDefinedBenefitLiabilityAsset
Namespace Prefix: | cls_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Other Comprehensive Income, Net of Tax, Gain (Loss) on Settlement + References No definition available. + Details
Name: | cls_OtherComprehensiveIncomeNetofTaxGainLossonSettlement
Namespace Prefix: | cls_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Payments From Employer, Net Defined Benefit Liability (Asset) + References No definition available. + Details
Name: | cls_PaymentsFromEmployerNetDefinedBenefitLiabilityAsset
Namespace Prefix: | cls_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Settlement Payments From Employer, Net Defined Benefit Liability (Asset) + References No definition available. + Details
Name: | cls_SettlementPaymentsFromEmployerNetDefinedBenefitLiabilityAsset
Namespace Prefix: | cls_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The decrease (increase) in net defined benefit liability (asset) resulting from contributions to a defined benefit plan by the employer. [Refer: Net defined benefit liability (asset); Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2021-01-01 -Paragraph 141 -Subparagraph f -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_141_f&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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_DisclosureOfNetDefinedBenefitLiabilityAssetLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The increase (decrease) in the net defined benefit liability (asset) resulting from changes in foreign exchange rates. [Refer: Net defined benefit liability (asset)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2021-01-01 -Paragraph 141 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_141_e&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_IncreaseDecreaseThroughChangesInForeignExchangeRatesNetDefinedBenefitLiabilityAsset
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The increase (decrease) in the net defined benefit liability (asset) resulting from the passage of time. [Refer: Interest expense; Net defined benefit liability (asset)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2021-01-01 -Paragraph 141 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_141_b&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of deficit or surplus in a defined benefit plan, adjusted for any effect of limiting a net defined benefit asset to the asset ceiling. [Refer: Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2021-01-01 -Paragraph 140 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_140_a&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_LiabilityAssetOfDefinedBenefitPlans
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The decrease (increase) in the net defined benefit liability (asset) resulting from payments from the plan. [Refer: Net defined benefit liability (asset)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2021-01-01 -Paragraph 141 -Subparagraph g -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_141_g&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_PaymentsFromPlanNetDefinedBenefitLiabilityAsset
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The decrease (increase) in the net defined benefit liability (asset) resulting from payments from the plan in respect of settlements. [Refer: Decrease (increase) in net defined benefit liability (asset) resulting from gains (losses) arising from settlements; Net defined benefit liability (asset); Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2021-01-01 -Paragraph 141 -Subparagraph g -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_141_g&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_PaymentsInRespectOfSettlementsNetDefinedBenefitLiabilityAsset
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The decrease (increase) in the net defined benefit liability (asset) resulting from the return on plan assets, excluding amounts included in interest income or expense. The return on plan assets is interest, dividends and other revenue derived from the plan assets, together with realised and unrealised gains or losses on the plan assets, less any costs of managing plan assets and less any tax payable by the plan itself, other than tax included in the actuarial assumptions used to measure the present value of the defined benefit obligation. [Refer: Plan assets [member]; Net defined benefit liability (asset); Actuarial assumptions [member]; Increase (decrease) in net defined benefit liability (asset) resulting from interest expense (income)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2021-01-01 -Paragraph 141 -Subparagraph c -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_141_c_i&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_ReturnOnPlanAssetsNetDefinedBenefitLiabilityAsset
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | ifrs-full_DefinedBenefitPlansAxis=ifrs-full_DefinedBenefitPlansThatShareRisksBetweenEntitiesUnderCommonControlMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_NetDefinedBenefitLiabilityAssetAxis=ifrs-full_PlanAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_DefinedBenefitPlansAxis=ifrs-full_DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |