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Goodwill and Other Intangible Assets, Net - Components of Other Intangible Assets (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Schedule Of Acquired Finite And Indefinite Lived Intangible Asset By Major Class [Line Items] |  |
Total gross definite life intangible assets | $ 347,163 | $ 324,974
Accumulated Amortization | 141,984 | 117,287
Net definite life intangible assets | $ 205,179 | $ 207,687
Weighted-Average Remaining Life | 9 years 10 months 24 days | 10 years 9 months 18 days
Total indefinite life intangible assets | $ 81,978 | $ 95,537
Total definite and indefinite life intangible assets, gross, excluding goodwill | 429,141 | 420,511
Total definite and indefinite life intangible assets, net, excluding goodwill | 287,157 | 303,224
Trade Names [Member] |  |
Schedule Of Acquired Finite And Indefinite Lived Intangible Asset By Major Class [Line Items] |  |
Total indefinite life intangible assets | 79,570 | 93,083
Licenses [Member] |  |
Schedule Of Acquired Finite And Indefinite Lived Intangible Asset By Major Class [Line Items] |  |
Total indefinite life intangible assets | 2,408 | 2,454
Customer-Related Intangible Assets [Member] |  |
Schedule Of Acquired Finite And Indefinite Lived Intangible Asset By Major Class [Line Items] |  |
Total gross definite life intangible assets | 252,241 | 250,788
Accumulated Amortization | 77,106 | 57,332
Net definite life intangible assets | $ 175,135 | $ 193,456
Weighted-Average Remaining Life | 10 years 4 months 24 days | 11 years 2 months 12 days
Technology [Member] |  |
Schedule Of Acquired Finite And Indefinite Lived Intangible Asset By Major Class [Line Items] |  |
Total gross definite life intangible assets | $ 24,025 | $ 24,024
Accumulated Amortization | 20,031 | 16,608
Net definite life intangible assets | $ 3,994 | $ 7,416
Weighted-Average Remaining Life | 1 year 2 months 12 days | 2 years 2 months 12 days
Noncompete Agreements [Member] |  |
Schedule Of Acquired Finite And Indefinite Lived Intangible Asset By Major Class [Line Items] |  |
Total gross definite life intangible assets | $ 30,715 | $ 30,378
Accumulated Amortization | 29,596 | 28,198
Net definite life intangible assets | $ 1,119 | $ 2,180
Weighted-Average Remaining Life | 5 years 10 months 24 days | 4 years 2 months 12 days
Patents [Member] |  |
Schedule Of Acquired Finite And Indefinite Lived Intangible Asset By Major Class [Line Items] |  |
Total gross definite life intangible assets | $ 10,616 | $ 12,232
Accumulated Amortization | 10,223 | 11,954
Net definite life intangible assets | $ 393 | $ 278
Weighted-Average Remaining Life | 1 year 7 months 6 days | 1 month 6 days
All Other [Member] |  |
Schedule Of Acquired Finite And Indefinite Lived Intangible Asset By Major Class [Line Items] |  |
Total gross definite life intangible assets | $ 29,566 | $ 7,552
Accumulated Amortization | 5,028 | 3,195
Net definite life intangible assets | $ 24,538 | $ 4,357
Weighted-Average Remaining Life | 8 years 3 months 18 days | 9 years 4 months 24 days

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