XML 120 R91.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Finance Costs - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Disclosure of detailed information about borrowings [line items] |  |  |  |
Payment of finance costs |  | $ 26.0 | $ 29.5 | $ 44.5
Payment of debt issuance costs |  | $ 3.6 | $ 0.6 | 2.9
Credit Facility |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Fee and commission expense | $ 2.0 |  |  | $ 2.0

X
- Definition Payment Of Debt Issuance Costs + References No definition available. + Details
Name: | cls_PaymentOfDebtIssuanceCosts
Namespace Prefix: | cls_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Payment Of Interest Expense And Debt Issuance Costs + References No definition available. + Details
Name: | cls_PaymentOfInterestExpenseAndDebtIssuanceCosts
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_DisclosureOfDetailedInformationAboutBorrowingsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of expense relating to fees and commissions. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 85 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_85&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_FeeAndCommissionExpense
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=cls_CreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |