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Income Taxes - Reconciliation Of Income Taxes (Details) $ in Millions, $ in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2016 CAD ($) | Dec. 31, 2016 USD ($) | Dec. 31, 2017 USD ($) | Dec. 31, 2016 CAD ($) | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($)
Income Taxes [Abstract] |  |  |  |  |  |
Earnings before income taxes |  |  | $ 132.4 |  | $ 161.0 | $ 109.1
Income tax expense at Celestica’s statutory income tax rate of 26.5% (2016 and 2015 — 26.5%) |  |  | 35.1 |  | 42.7 | 28.9
Manufacturing and processing deduction |  |  | (0.1) |  | (0.1) | (0.6)
Foreign income taxed at different rates |  |  | (7.6) |  | (0.1) | (19.9)
Foreign exchange |  |  | (6.8) |  | 4.8 | 3.4
Other, including non-taxable/non-deductible items and changes to net provisions related to tax uncertainties |  |  | 3.4 |  | (25.3) | 15.1
Change in unrecognized tax losses and deductible temporary differences |  |  | 3.4 |  | 2.7 | 15.3
Income tax expense |  |  | $ 27.4 |  | $ 24.7 | $ 42.2
Statutory income tax rate |  |  | 26.50% | 26.50% | 26.50% | 26.50%
Deferred tax expense related to taxable temporary differences, repatriation of undistributed foreign earnings |  |  |  |  | $ 8.0 |
Current tax expense for withholding tax on dividends paid |  |  | $ 6.0 |  |  |
Tax effect of reversal of provisions for tax uncertainties related to transfer pricing matter | $ 45 | $ 34.0 |  | $ 45 | $ 34.0 |

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- Definition The amount of profit (loss) for a period before deducting tax expense. [Refer: Profit (loss)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2017-01-01 -Paragraph 81 -Subparagraph c -Clause ii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=12&date=2017-03-01&anchor=para_81_c_ii&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2017-01-01 -Paragraph 81 -Subparagraph c -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=12&date=2017-03-01&anchor=para_81_c_i&doctype=Standard -URIDate 2017-03-09 + Details
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