Acquisitions and Acquisition-Related Contingent Consideration Acquisitions and Acquisition-Related Contingent Consideration (Details) (USD $) In Thousands, unless otherwise specified	Apr. 22, 2013 Tensilica	Apr. 22, 2013 Tensilica existing technology	Apr. 22, 2013 Tensilica agreements and relationships	Apr. 22, 2013 Tensilica tradenames and trademarks	May 23, 2013 Cosmic	May 23, 2013 Cosmic existing technology	May 23, 2013 Cosmic agreements and relationships	May 23, 2013 Cosmic tradenames and trademarks	Jun. 29, 2013 Other 2013 acquisitions	Jun. 29, 2013 Other acquisitions agreements and relationships	Jun. 29, 2013 Other acquisitions existing technology	Jun. 29, 2013 Other acquisitions tradenames and trademarks
Business Acquisition [Line Items]
Cash and cash equivalents	$ 26,331				$ 1,724				$ 149
Trade receivables	4,454				668				0
Property, plant and equipment	1,938				185				91
Other assets	46,832				1,681				0
Acquired intangibles		102,000	33,000	3,000		16,300	5,100	0		1,667	2,014	0
In-process technology	5,300				4,200				1,200
Goodwill	176,461				41,911				9,587
Total assets acquired	399,316				71,769				14,708
Deferred revenue	(8,100)				(129)				0
Other liabilities	(4,959)				(1,982)				(277)
Long-term deferred tax liabilities	(40,147)				(8,428)				0
Net assets acquired	$ 346,110				$ 61,230				$ 14,431