Restructuring Activities - Summary Of Restructuring Costs Incurred (Detail) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Restructuring Cost and Reserve [Line Items] | ||
| Restructuring, incurred cost | $ 35.7 | $ 56.2 |
| Severance related personnel costs | ||
| Restructuring Cost and Reserve [Line Items] | ||
| Restructuring, incurred cost | 8.9 | 40.6 |
| Lease termination costs | ||
| Restructuring Cost and Reserve [Line Items] | ||
| Restructuring, incurred cost | 21.5 | 7.7 |
| Accelerated amortization of intangible assets | ||
| Restructuring Cost and Reserve [Line Items] | ||
| Restructuring, incurred cost | 0.0 | 4.6 |
| Accelerated depreciation | ||
| Restructuring Cost and Reserve [Line Items] | ||
| Restructuring, incurred cost | 5.3 | 2.5 |
| Other restructuring activities | ||
| Restructuring Cost and Reserve [Line Items] | ||
| Restructuring, incurred cost | $ 0.0 | $ 0.8 |