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Business Combinations - Summary of Business Acquisitions Transactions (Detail) |  | 12 Months Ended
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Nov. 01, 2020 | Dec. 31, 2020
Cradlepoint [member] |  |
Disclosure Of Business Combinations [Line Items] |  |
Company |  | Cradlepoint
Description |  | A US company providing Wireless WAN Edge 4G and 5G solutions for the enterprise market.
Transaction date | Nov. 01, 2020 | Nov. 01, 2020
Genaker [member] |  |
Disclosure Of Business Combinations [Line Items] |  |
Company |  | Genaker
Description |  | A Spanish provider of Mission Critical Push-to-talk (MC-PTT) solutions.
Transaction date |  | Mar. 31, 2020
ST-Ericsson [member] |  |
Disclosure Of Business Combinations [Line Items] |  |
Company |  | ST-Ericsson
Description |  | The remaining shares were acquired in ST-Ericsson (previously a joint venture).
Transaction date |  | Dec. 31, 2019
Kathrein [member] |  |
Disclosure Of Business Combinations [Line Items] |  |
Company |  | Kathrein
Description |  | A German provider of antenna and filter technologies.
Transaction date |  | Oct. 31, 2019
CSF [member] |  |
Disclosure Of Business Combinations [Line Items] |  |
Company |  | CSF
Description |  | A US based company related to the iconectiv business.
Transaction date |  | Aug. 31, 2019
CENX [member] |  |
Disclosure Of Business Combinations [Line Items] |  |
Company |  | CENX
Description |  | A US based service assurance technology company.
Transaction date |  | Sep. 30, 2018
VidScale [member] |  |
Disclosure Of Business Combinations [Line Items] |  |
Company |  | VidScale
Description |  | A US company providing cloud-based Content Delivery Network (CDN) solutions.
Transaction date |  | Mar. 31, 2018
Placecast [member] |  |
Disclosure Of Business Combinations [Line Items] |  |
Company |  | Placecast
Description |  | A US company that leverages deterministic carrier data to deliver better audience, verification, and insight solutions.
Transaction date |  | Feb. 28, 2018

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- Definition The description of the business or businesses that the acquirer obtains control of in a business combination. [Refer: Business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2020-01-01 -Paragraph B64 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2020-en-r&anchor=para_B64_a&doctype=Appendix&subtype=B -URIDate 2020-01-01 + Details
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