Intangible Assets - Carrying Value of Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Intangible Assets [Line Items]
Goodwill, Gross carrying amount	$ 1,243,669	$ 1,206,877
Goodwill, Accumulated Amortization	0	0
Goodwill, Net Carrying Amount	1,243,669	1,206,877	$ 1,208,587
Finite-lived intangible assets, Gross Carrying Amount	789,335	733,065
Finite-lived intangible assets, Accumulated Amortization	(490,736)	(414,204)
Finite-lived intangible assets, Net Carrying Amount	298,599	318,861
Indefinite-lived intangible assets, Carrying Amount	40,906	41,070
Intangible assets, Gross Carrying Amount	830,241	774,135
Intangible assets, Net Carrying Amount	339,505	359,931	$ 424,932
Trademarks
Intangible Assets [Line Items]
Indefinite-lived intangible assets, Carrying Amount	40,106	40,270
In-process research and development
Intangible Assets [Line Items]
Indefinite-lived intangible assets, Carrying Amount	800	800
Developed technology
Intangible Assets [Line Items]
Finite-lived intangible assets, Gross Carrying Amount	413,310	399,095
Finite-lived intangible assets, Accumulated Amortization	(331,696)	(280,301)
Finite-lived intangible assets, Net Carrying Amount	81,614	118,794
Customer relationships
Intangible Assets [Line Items]
Finite-lived intangible assets, Gross Carrying Amount	297,595	258,798
Finite-lived intangible assets, Accumulated Amortization	(110,732)	(94,557)
Finite-lived intangible assets, Net Carrying Amount	186,863	164,241
Trademarks
Intangible Assets [Line Items]
Finite-lived intangible assets, Gross Carrying Amount	56,393	54,897
Finite-lived intangible assets, Accumulated Amortization	(30,213)	(24,443)
Finite-lived intangible assets, Net Carrying Amount	26,180	30,454
In-process research and development
Intangible Assets [Line Items]
Finite-lived intangible assets, Gross Carrying Amount	10,702	10,708
Finite-lived intangible assets, Accumulated Amortization	(7,160)	(5,336)
Finite-lived intangible assets, Net Carrying Amount	3,542	5,372
Backlog
Intangible Assets [Line Items]
Finite-lived intangible assets, Gross Carrying Amount	11,335	9,567
Finite-lived intangible assets, Accumulated Amortization	(10,935)	(9,567)
Finite-lived intangible assets, Net Carrying Amount	$ 400	$ 0