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Goodwill and Other Intangible Assets, Net - Components of Other Intangible Assets (Detail) - USD ($)
$ in Thousands
 12 Months Ended
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