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Acquisition Business Acquisition, Pro Forma Information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Inphi Memory Interconnect Business [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Business Acquisition, Pro Forma Revenue	$ 92,067	$ 88,798	$ 263,456	$ 261,897
Business Acquisition, Pro Forma Net Income (Loss)	$ 4,410	$ 180,471	$ 5,579	$ 194,255
Business Acquisition, Pro Forma Earnings Per Share, Diluted	$ 0.04	$ 1.51	$ 0.05	$ 1.63
Smart Card Software Limited
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Business Acquisition, Pro Forma Revenue	$ 89,855	$ 78,325	$ 240,498	$ 233,372
Business Acquisition, Pro Forma Net Income (Loss)	$ 4,511	$ 173,564	$ 11,602	$ 182,146
Business Acquisition, Pro Forma Earnings Per Share, Diluted	$ 0.04	$ 1.45	$ 0.10	$ 1.53
Snowbush [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Business Acquisition, Pro Forma Revenue	$ 90,149	$ 73,811	$ 241,005	$ 220,912
Business Acquisition, Pro Forma Net Income (Loss)	$ 4,756	$ 181,657	$ 11,242	$ 200,771
Business Acquisition, Pro Forma Earnings Per Share, Diluted	$ 0.04	$ 1.52	$ 0.10	$ 1.69

X

- Definition

The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(2)-(3)
-URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463

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- Definition

The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(2)-(3)
-URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(2)-(3)
-URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463

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