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v3.20.2

Cost-Reduction Actions - Additional Information (Detail) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 USD ($) employee | Jun. 30, 2019 USD ($) | Jun. 30, 2020 USD ($) employee | Jun. 30, 2019 USD ($)
Restructuring Cost and Reserve [Line Items] |  |  |  |
Cost-reduction charges and other costs | $ 7.9 | $ 2.6 | $ 35.4 | $ 5.2
Charges (credits) related to work-force reductions | (3.0) |  | 5.5 |
Cost of revenue | Services |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Cost-reduction charges and other costs | 6.9 | (1.0) | 12.8 | (4.7)
Selling, general and administrative expenses |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Cost-reduction charges and other costs | 1.5 | 3.6 | 4.0 | 8.6
Research and development expenses |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Cost-reduction charges and other costs | 0.1 |  | 0.2 | 1.3
Other expense, net |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Cost-reduction charges and other costs | (0.6) |  | 18.4 |
Employee severance |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Cost-reduction charges and other costs |  |  | 11.3 |
Charges (credits) related to work-force reductions | $ 1.6 |  | $ 11.3 |
Number of employees | employee | 19 |  | 309 |
Changes in estimates |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Charges (credits) related to work-force reductions | $ (4.6) | 1.8 | $ (5.8) | 0.9
Net foreign currency (gains) losses |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Other charges (credits) related to the cost-reduction effort | (0.6) |  | 18.4 |
Asset impairments |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Other charges (credits) related to the cost-reduction effort | $ 11.5 |  | $ 11.5 |
Lease abandonment costs and asset write-offs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Other charges (credits) related to the cost-reduction effort |  | $ 0.8 |  | $ 4.3

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