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Other Intangible Assets, Net (Detail) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2019 | Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items] |  |  |
Original amount | $ 113.5 |  | $ 80.9
Accumulated amortization | 52.5 |  | 42.4
Other intangible assets, net | $ 61.0 |  | 38.5
Minimum |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Estimated useful lives of intangible assets | 4 years |  |
Maximum |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Estimated useful lives of intangible assets | 20 years |  |
Core Technology |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Estimated useful lives of intangible assets |  | 8 years |
Original amount | $ 82.2 |  | 55.4
Accumulated amortization | 28.0 |  | 20.0
Other intangible assets, net | 54.2 |  | 35.4
Trademarks and trade names |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Original amount | 25.5 |  | 25.5
Accumulated amortization | 24.0 |  | 22.4
Other intangible assets, net | $ 1.5 |  | $ 3.1
Trademarks and trade names | Minimum |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Estimated useful lives of intangible assets | 15 years |  |
Trademarks and trade names | Maximum |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Estimated useful lives of intangible assets | 20 years |  |
Customer relationship |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Estimated useful lives of intangible assets | 4 years |  |
Original amount | $ 5.8 |  |
Accumulated amortization | 0.5 |  |
Other intangible assets, net | $ 5.3 |  |

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