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Income Taxes - Summary of Tax Years that Remain Subject to Examination by Major Jurisdiction (Detail) | 3 Months Ended
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Mar. 31, 2021
United States [Member] | United States - Federal [Member] |
Income Tax Examination [Line Items] |
Examinations not yet initiated | 2014 - 2015; 2017 - 2020
United States [Member] | United States - State [Member] |
Income Tax Examination [Line Items] |
Examinations not yet initiated | 2016 - 2020
Examinations in progress | 2015 - 2018
Canada [Member] | Foreign Tax Authority [Member] |
Income Tax Examination [Line Items] |
Examinations not yet initiated | 2013 - 2018; 2020
Examinations in progress | 2019
Germany [Member] | Foreign Tax Authority [Member] |
Income Tax Examination [Line Items] |
Examinations not yet initiated | 2016 - 2020
France [Member] | Foreign Tax Authority [Member] |
Income Tax Examination [Line Items] |
Examinations not yet initiated | 2018 - 2020
United Kingdom [Member] | Foreign Tax Authority [Member] |
Income Tax Examination [Line Items] |
Examinations not yet initiated | 2019 - 2020
Philippines [Member] | Foreign Tax Authority [Member] |
Income Tax Examination [Line Items] |
Examinations not yet initiated | 2019 - 2020
Examinations in progress | 2018

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