Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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Acquisitions - Summary of Intangible Assets Acquired and Useful Lives (Details) - USD ($) $ in Thousands	Apr. 04, 2017	Dec. 07, 2015	Apr. 01, 2018	Dec. 31, 2017
GigPeak, Inc.
Business Acquisition [Line Items]
Intangible assets			$ 97,860	$ 97,860
GigPeak, Inc. \| Developed technology
Business Acquisition [Line Items]
Estimated Fair Value				56,000
Estimated Useful Life (in years)	5 years
GigPeak, Inc. \| Customer relationships
Business Acquisition [Line Items]
Estimated Fair Value				28,900
Estimated Useful Life (in years)	5 years
GigPeak, Inc. \| Order backlog
Business Acquisition [Line Items]
Estimated Fair Value				200
Estimated Useful Life (in years)	1 year
GigPeak, Inc. \| Software licenses
Business Acquisition [Line Items]
Estimated Fair Value				2,560
GigPeak, Inc. \| In-process research and development (IPR&D)
Business Acquisition [Line Items]
Estimated Fair Value				$ 10,200
GigPeak, Inc. \| Maximum \| Software licenses
Business Acquisition [Line Items]
Estimated Useful Life (in years)	1 year
ZMDI
Business Acquisition [Line Items]
Intangible assets		$ 126,200
ZMDI \| Developed technology
Business Acquisition [Line Items]
Estimated Fair Value		$ 75,600
Estimated Useful Life (in years)		7 years
ZMDI \| Customer relationships
Business Acquisition [Line Items]
Estimated Fair Value		$ 44,000
Estimated Useful Life (in years)		7 years
ZMDI \| Order backlog
Business Acquisition [Line Items]
Estimated Fair Value		$ 5,800
Estimated Useful Life (in years)		1 year
ZMDI \| Trademark
Business Acquisition [Line Items]
Estimated Fair Value		$ 800
Estimated Useful Life (in years)		1 year