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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, 2019 | Dec. 31, 2018
Schedule Of Acquired Finite And Indefinite Lived Intangible Asset By Major Class [Line Items] |  |
Total gross definite life intangible assets | $ 324,974 | $ 298,213
Accumulated Amortization | 117,287 | 88,367
Net definite life intangible assets | $ 207,687 | $ 209,846
Weighted-Average Remaining Life | 10 years 9 months 18 days | 11 years
Total indefinite life intangible assets | $ 95,537 | $ 88,933
Total definite and indefinite life intangible assets, gross, excluding goodwill | 420,511 | 387,146
Total definite and indefinite life intangible assets, net, excluding goodwill | 303,224 | 298,779
Trade Names [Member] |  |
Schedule Of Acquired Finite And Indefinite Lived Intangible Asset By Major Class [Line Items] |  |
Total indefinite life intangible assets | 93,083 | 81,004
Licenses [Member] |  |
Schedule Of Acquired Finite And Indefinite Lived Intangible Asset By Major Class [Line Items] |  |
Total indefinite life intangible assets | 2,454 | 7,929
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 | 250,788 | 225,094
Accumulated Amortization | 57,332 | 40,088
Net definite life intangible assets | $ 193,456 | $ 185,006
Weighted-Average Remaining Life | 11 years 2 months 12 days | 11 years 10 months 24 days
Technology [Member] |  |
Schedule Of Acquired Finite And Indefinite Lived Intangible Asset By Major Class [Line Items] |  |
Total gross definite life intangible assets | $ 24,024 | $ 24,023
Accumulated Amortization | 16,608 | 13,754
Net definite life intangible assets | $ 7,416 | $ 10,269
Weighted-Average Remaining Life | 2 years 2 months 12 days | 3 years
Noncompete Agreements [Member] |  |
Schedule Of Acquired Finite And Indefinite Lived Intangible Asset By Major Class [Line Items] |  |
Total gross definite life intangible assets | $ 30,378 | $ 30,131
Accumulated Amortization | 28,198 | 22,131
Net definite life intangible assets | $ 2,180 | $ 8,000
Weighted-Average Remaining Life | 4 years 2 months 12 days | 2 years 4 months 24 days
Patents [Member] |  |
Schedule Of Acquired Finite And Indefinite Lived Intangible Asset By Major Class [Line Items] |  |
Total gross definite life intangible assets | $ 12,232 | $ 9,635
Accumulated Amortization | 11,954 | 9,222
Net definite life intangible assets | $ 278 | $ 413
Weighted-Average Remaining Life | 1 month 6 days | 2 years 6 months
All Other [Member] |  |
Schedule Of Acquired Finite And Indefinite Lived Intangible Asset By Major Class [Line Items] |  |
Total gross definite life intangible assets | $ 7,552 | $ 9,330
Accumulated Amortization | 3,195 | 3,172
Net definite life intangible assets | $ 4,357 | $ 6,158
Weighted-Average Remaining Life | 9 years 4 months 24 days | 7 years 10 months 24 days

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