Intangible Assets (Detail) - USD ($) $ in Thousands	Sep. 29, 2018	Dec. 31, 2017
Finite-Lived Intangible Assets
Gross carrying Amount	$ 649,430	$ 463,869
Accumulated amortization	326,051	281,439
Net carrying value	323,379	182,430
Developed Technology
Finite-Lived Intangible Assets
Gross carrying Amount	251,960	206,224
Accumulated amortization	169,625	149,215
Net carrying value	82,335	57,009
Trademarks and Trade names
Finite-Lived Intangible Assets
Gross carrying Amount	25,653	16,807
Accumulated amortization	14,471	13,712
Net carrying value	11,182	3,095
Customer Relationships [Member]
Finite-Lived Intangible Assets
Gross carrying Amount	331,059	220,806
Accumulated amortization	126,335	110,281
Net carrying value	204,724	110,525
Other Intangible Assets [Member]
Finite-Lived Intangible Assets
Gross carrying Amount	40,758	20,032
Accumulated amortization	15,620	8,231
Net carrying value	$ 25,138	$ 11,801

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 928
-SubTopic 340
-Section 50
-Paragraph 1
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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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