XML 114 R58.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Accounts Receivable (Details) - USD ($) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2017 | Feb. 28, 2017 | Dec. 31, 2016
Factoring of receivables from facility program |  |  |
Derecognition of Financial Assets by Type of Transfer [Line Items] |  |  |
Agreement to sell trade receivables, maximum capacity | $ 200,000,000 | $ 250,000,000.0 |
Term of agreement extensions | 1 year |  |
Accounts receivable sold during period | $ 80,000,000 |  | $ 50,000,000
Factoring of receivables from supplier financing program |  |  |
Derecognition of Financial Assets by Type of Transfer [Line Items] |  |  |
Accounts receivable sold during period | $ 52,300,000 |  | $ 51,400,000

X
- Definition [Line Items] for Derecognition of Financial Assets by Type of Transfer [Table] + References No definition available. + Details
Name: | cls_DerecognitionofFinancialAssetsbyTypeofTransferLineItems
Namespace Prefix: | cls_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Transfer Of Financial Assets Accounted For As Sales, Amount Derecognized1 + References No definition available. + Details
Name: | cls_TransferOfFinancialAssetsAccountedForAsSalesAmountDerecognized1
Namespace Prefix: | cls_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Transfer Of Financial Assets Accounted For As Sales, Amount Derecognized, Term Of Agreement Extensions + References No definition available. + Details
Name: | cls_TransferOfFinancialAssetsAccountedForAsSalesAmountDerecognizedTermOfAgreementExtensions
Namespace Prefix: | cls_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Transfer Of Financial Assets Accounted For As Sales, Maximum Limit + References No definition available. + Details
Name: | cls_TransferOfFinancialAssetsAccountedForAsSalesMaximumLimit
Namespace Prefix: | cls_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | cls_DerecognitionOfFinancialAssetsByTypeOfTransferAxis=cls_SaleOfReceivablesUnderFacilityProgramMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cls_DerecognitionOfFinancialAssetsByTypeOfTransferAxis=cls_SaleOfReceivablesUnderSupplierFinancingProgramMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |