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