XML 113 R84.htm IDEA: XBRL DOCUMENT v3.22.0.1

Capital Stock - PSU Measurement Inputs (Details) - PSUs	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disclosure of terms and conditions of share-based payment arrangement [line items]
Expected volatility	49.00%	30.00%	28.00%
Expected life	3 years	3 years	3 years
Risk-free interest rate (based on 3-year Treasury bonds)	0.20%	1.40%	2.50%

X

- Definition

Expected Life, Other Equity Instruments Granted

+ References

No definition available.

+ Details

Name:	cls_ExpectedLifeOtherEquityInstrumentsGranted
Namespace Prefix:	cls_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Expected Volatility, Other Equity Instruments Granted

+ References

No definition available.

+ Details

Name:	cls_ExpectedVolatilityOtherEquityInstrumentsGranted
Namespace Prefix:	cls_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Risk Free Interest Rate, Other Equity Instruments Granted

+ References

No definition available.

+ Details

Name:	cls_RiskFreeInterestRateOtherEquityInstrumentsGranted
Namespace Prefix:	cls_
Data Type:	num:percentItemType
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

- Details

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