XML 74 R18.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Provisions | 12 Months Ended
--- | ---
Dec. 31, 2017
Other Provisions, Contingent Liabilities And Contingent Assets [Abstract] |
Provisions | PROVISIONS: Our provisions include restructuring, warranty, legal and other provisions. We have included a description of our restructuring, warranty and legal provisions in note 2(m). We include details of our restructuring provision in note 16(a). The following chart details the changes in our provisions for the year indicated:
| Restructuring |  | Warranty |  | Legal (i) |  | Other(ii) |  | Total
Balance — December 31, 2016 | $ | 6.6 |  |  | $ | 19.6 |  |  | $ | 3.0 |  |  | $ | 5.5 |  |  | $ | 34.7 |
Provisions | 25.4 |  |  | 12.6 |  |  | 0.8 |  |  | 1.3 |  |  | 40.1 |
Reversal of prior year provisions(iii) | (0.3 | ) |  | (4.6 | ) |  | (0.2 | ) |  | — |  |  | (5.1 | )
Payments/usage | (19.0 | ) |  | (6.5 | ) |  | (1.1 | ) |  | — |  |  | (26.6 | )
Accretion, foreign exchange and other | — |  |  | 0.3 |  |  | — |  |  | — |  |  | 0.3 |
Balance — December 31, 2017 | $ | 12.7 |  |  | $ | 21.4 |  |  | $ | 2.5 |  |  | $ | 6.8 |  |  | $ | 43.4 |
Current | $ | 12.7 |  |  | $ | 11.4 |  |  | $ | 2.5 |  |  | $ | — |  |  | $ | 26.6 |
Non-current(iv) | — |  |  | 10.0 |  |  | — |  |  | 6.8 |  |  | 16.8 |
December 31, 2017 | $ | 12.7 |  |  | $ | 21.4 |  |  | $ | 2.5 |  |  | $ | 6.8 |  |  | $ | 43.4 |
(i) | Legal represents our provisions recorded for various legal actions based on our estimates of the likely outcomes.
(ii) | Other represents our asset retirement obligations of $6.8, relating to sites that we currently lease.
(iii) | During 2017, we reversed prior year warranty provisions as a result of expired warranties and changes in estimated costs based on historical experience.
(iv) | Non-current balances are included in provisions and other non-current liabilities on our consolidated balance sheet.
At the end of each reporting period, we evaluate the appropriateness of our provisions, and adjustments may be made to reflect actual experience or changes in our estimates.

X
- Definition Other Provisions, Contingent Liabilities And Contingent Assets + References No definition available. + Details
Name: | cls_OtherProvisionsContingentLiabilitiesAndContingentAssetsAbstract
Namespace Prefix: | cls_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The disclosure of provisions. [Refer: Provisions] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 10 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_10_e&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_DisclosureOfProvisionsExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration