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Goodwill and Intangible Assets - Assumptions for Our Annual Impairment Assessments of Goodwill (Details) | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Disclosure of information for cash-generating units [line items] |  |  |
Annual revenue growth rate (percentage) | 2.00% |  |
Term used to extrapolate cash flow projections | 5 years |  |
Capital Equipment CGU |  |  |
Disclosure of information for cash-generating units [line items] |  |  |
Annual revenue growth rate (percentage) | 10.00% | 13.00% | 13.00%
Term used to extrapolate cash flow projections | 5 years | 5 years | 5 years
Discount rate (percentage) | 11.00% | 12.00% | 13.00%
Pre-tax discount rate | 14.00% |  |
A&D CGU |  |  |
Disclosure of information for cash-generating units [line items] |  |  |
Annual revenue growth rate (percentage) | 11.00% | 8.00% |
Term used to extrapolate cash flow projections | 5 years | 5 years | 5 years
Discount rate (percentage) | 11.00% | 11.00% | 10.00%
Pre-tax discount rate | 13.00% |  |
Atrenne CGU |  |  |
Disclosure of information for cash-generating units [line items] |  |  |
Annual revenue growth rate (percentage) | 19.00% | 9.00% | 4.00%
Term used to extrapolate cash flow projections | 5 years | 5 years | 5 years
Discount rate (percentage) | 10.00% | 10.00% | 10.00%
Pre-tax discount rate | 13.00% |  |
PCI CGU |  |  |
Disclosure of information for cash-generating units [line items] |  |  |
Annual revenue growth rate (percentage) | 9.00% |  |
Term used to extrapolate cash flow projections | 5 years |  |
Discount rate (percentage) | 15.00% |  |
Pre-tax discount rate | 18.00% |  |

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