Goodwill and Intangible Assets - Intangible Assets (Detail) - USD ($) $ in Thousands	Sep. 28, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets
Gross carrying Amount	$ 759,820	$ 638,775
Accumulated amortization	392,262	343,088
Net carrying value	367,558	295,687
Developed Technology
Finite-Lived Intangible Assets
Gross carrying Amount	268,593	248,776
Accumulated amortization	197,176	176,421
Net carrying value	71,417	72,355
Trademarks and Trade names
Finite-Lived Intangible Assets
Gross carrying Amount	28,856	25,643
Accumulated amortization	15,767	14,749
Net carrying value	13,089	10,894
Customer Relationships
Finite-Lived Intangible Assets
Gross carrying Amount	425,371	328,050
Accumulated amortization	152,937	133,068
Net carrying value	272,434	194,982
Other Intangible Assets
Finite-Lived Intangible Assets
Gross carrying Amount	37,000	36,306
Accumulated amortization	26,382	18,850
Net carrying value	$ 10,618	$ 17,456