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Property and Equipment - Schedule of Property and Equipment (Detail) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property plant and equipment | $ 212.6 |
Property plant and equipment | 289.4 | $ 212.6
Engineering equipment [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property plant and equipment | 59.3 |
Property plant and equipment | 60.1 | 59.3
Office equipment [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property plant and equipment | 34.0 |
Property plant and equipment | 48.8 | 34.0
Leasehold improvements [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property plant and equipment | 101.4 |
Property plant and equipment | 159.7 | 101.4
Other [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property plant and equipment | 17.9 |
Property plant and equipment | 20.8 | 17.9
Gross carrying amount [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property plant and equipment | 387.7 | 414.8
Additions | 130.2 | 62.1
Additions arising on acquisitions | 4.4 | 0.8
Disposals | (50.5) | (78.5)
Discontinued operations (note 8) | (15.6) |
Impact of foreign exchange | 17.1 | (11.5)
Property plant and equipment | 473.3 | 387.7
Gross carrying amount [member] | Engineering equipment [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property plant and equipment | 116.7 | 131.9
Additions | 23.2 | 21.2
Additions arising on acquisitions | 1.6 | 0.2
Disposals | (12.2) | (33.4)
Discontinued operations (note 8) | (11.5) |
Transfers | (0.4) | 0.1
Impact of foreign exchange | 4.9 | (3.3)
Property plant and equipment | 122.3 | 116.7
Gross carrying amount [member] | Office equipment [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property plant and equipment | 61.6 | 82.0
Additions | 19.4 | 6.8
Additions arising on acquisitions | 0.7 | 0.1
Disposals | (2.2) | (24.9)
Discontinued operations (note 8) | (0.4) |
Transfers | (0.1) | (0.8)
Impact of foreign exchange | 3.0 | (1.6)
Property plant and equipment | 82.0 | 61.6
Gross carrying amount [member] | Leasehold improvements [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property plant and equipment | 175.5 | 166.9
Additions | 79.5 | 29.4
Additions arising on acquisitions | 1.7 | 0.5
Disposals | (31.4) | (16.4)
Discontinued operations (note 8) | (1.7) |
Transfers | (0.2) | 0.2
Impact of foreign exchange | 7.8 | (5.1)
Property plant and equipment | 231.2 | 175.5
Gross carrying amount [member] | Other [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property plant and equipment | 33.9 | 34.0
Additions | 8.1 | 4.7
Additions arising on acquisitions | 0.4 |
Disposals | (4.7) | (3.8)
Discontinued operations (note 8) | (2.0) |
Transfers | 0.7 | 0.5
Impact of foreign exchange | 1.4 | (1.5)
Property plant and equipment | 37.8 | 33.9
Accumulated depreciation and amortization [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property plant and equipment | (175.1) | (200.9)
Depreciation - continuing operations | (50.1) | (52.2)
Depreciation - discontinued operations | (2.0) | (2.4)
Disposals | 45.5 | 76.7
Discontinued operations (note 8) | 4.6 |
Impact of foreign exchange | (6.8) | 3.7
Property plant and equipment | (183.9) | (175.1)
Accumulated depreciation and amortization [member] | Engineering equipment [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property plant and equipment | (57.4) | (73.1)
Depreciation - continuing operations | (15.3) | (16.3)
Depreciation - discontinued operations | (1.5) | (1.9)
Disposals | 10.6 | 32.7
Discontinued operations (note 8) | 3.3 |
Transfers | 0.4 |
Impact of foreign exchange | (2.3) | 1.2
Property plant and equipment | (62.2) | (57.4)
Accumulated depreciation and amortization [member] | Office equipment [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property plant and equipment | (27.6) | (45.6)
Depreciation - continuing operations | (6.7) | (7.5)
Depreciation - discontinued operations |  | (0.1)
Disposals | 1.9 | 25.4
Discontinued operations (note 8) | 0.3 |
Transfers | 0.1 |
Impact of foreign exchange | (1.2) | 0.2
Property plant and equipment | (33.2) | (27.6)
Accumulated depreciation and amortization [member] | Leasehold improvements [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property plant and equipment | (74.1) | (64.9)
Depreciation - continuing operations | (25.9) | (26.7)
Depreciation - discontinued operations | (0.2) |
Disposals | 31.1 | 15.9
Discontinued operations (note 8) | 0.3 |
Transfers | 0.2 |
Impact of foreign exchange | (2.9) | 1.6
Property plant and equipment | (71.5) | (74.1)
Accumulated depreciation and amortization [member] | Other [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property plant and equipment | (16.0) | (17.3)
Depreciation - continuing operations | (2.2) | (1.7)
Depreciation - discontinued operations | (0.3) | (0.4)
Disposals | 1.9 | 2.7
Discontinued operations (note 8) | 0.7 |
Transfers | (0.7) |
Impact of foreign exchange | (0.4) | 0.7
Property plant and equipment | $ (17.0) | $ (16.0)

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- Definition The amount of additions to property, plant and equipment other than those acquired through business combinations. [Refer: Business combinations [member]; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2018-01-01 -Paragraph 73 -Subparagraph e -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_73_e_i&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The decrease in property, plant and equipment resulting from the loss of control of a subsidiary. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 16 -IssueDate 2018-01-01 -Paragraph 73 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_73_e&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The increase (decrease) in property, plant and equipment resulting from net exchange differences arising on the translation of the financial statements from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2018-01-01 -Paragraph 73 -Subparagraph e -Clause viii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_73_e_viii&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The amount of tangible assets that: (a) are held for use in the production or supply of goods or services, for rental to others, or for administrative purposes; and (b) are expected to be used during more than one period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2018-01-01 -Paragraph 73 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_73_e&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 54 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_54_a&doctype=Standard -URIDate 2018-03-16 + Details
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