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Goodwill and Intangible Assets - Additional Information (Detail) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Schedule Of Goodwill And Other Intangible Assets [Line Items] |  |  |  |
Aggregate amount of goodwill acquired | $ 222,500,000 | $ 212,800,000 |  |
Aggregate amount of impairment |  |  |  | $ 60,700,000
Goodwill, impairment loss | 0 | 0 | $ 0 |
Goodwill | $ 161,820,000 | 152,020,000 | 152,156,000 |
Decrease in projected revenue growth rates | 0.90% |  |  |
Decrease In projected average EBITDA rates | 1.05% |  |  |
Intangible asset impairment | $ 850,000 | 0 | $ 0 |
Fluid Handling Solutions |  |  |  |
Schedule Of Goodwill And Other Intangible Assets [Line Items] |  |  |  |
Goodwill | $ 31,600,000 |  |  |
Percentage of fair value in excess of carrying value | 7.00% |  |  |
Certain Tradenames [Member] |  |  |  |
Schedule Of Goodwill And Other Intangible Assets [Line Items] |  |  |  |
Finite-lived intangible asset, fair value | $ 700,000 | $ 3,900,000 |  |
Intangible assets, Useful Life | 10 years | 10 years |  |

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