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Restructuring and Other Charges, Net - Additional Information (Detail) $ in Thousands | 3 Months Ended
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Mar. 31, 2019 USD ($) Position employee | Mar. 31, 2018 USD ($)
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charge | $ 16,174 | $ 717
2017 Productivity Program |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charge | $ 24,500 |
Number of positions expected to be eliminated | employee | 370 |
Employee-Related Costs | 2019 Severance Initiatives |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charge | $ 16,174 |
Employee Severance |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charge | 700 |
Employee Severance | 2019 Severance Initiatives |  |
Restructuring Cost and Reserve [Line Items] |  |
Payments for restructuring | $ 900 |
Number of positions expected to be eliminated | Position | 190 |
Employee Severance | 2017 Productivity Program |  |
Restructuring Cost and Reserve [Line Items] |  |
Payments for restructuring | $ 500 | 1,700
Contract Termination |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charge |  | $ 700
Minimum | 2017 Productivity Program |  |
Restructuring Cost and Reserve [Line Items] |  |
Expected restructuring costs | 30,000 |
Minimum | Employee Severance | 2017 Productivity Program |  |
Restructuring Cost and Reserve [Line Items] |  |
Expected restructuring costs | 24,000 |
Minimum | Facility-Related Costs |  |
Restructuring Cost and Reserve [Line Items] |  |
Expected restructuring costs | 6,000 |
Maximum | 2017 Productivity Program |  |
Restructuring Cost and Reserve [Line Items] |  |
Expected restructuring costs | 35,000 |
Maximum | Employee Severance | 2017 Productivity Program |  |
Restructuring Cost and Reserve [Line Items] |  |
Expected restructuring costs | $ 26,000 |

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