Acquisitions - Schedule of Purchase Price Allocation (Details) (Gennum [Member], USD $) In Thousands, unless otherwise specified	Mar. 20, 2012
Cash	$ 19,664
Accounts receivable, less allowances	14,032
Inventories	62,941
Prepaid expenses	3,832
Income taxes receivable	1,467
Deferred tax assets - current	8,590
Other current assets	7,804
Property, plant and equipment	25,702
Amortizable intangible assets	129,863
In-process research and development	29,100
Goodwill	261,891
Deferred tax assets - non-current	31,235
Other non-current assets	8
Deferred tax liabilities	(47,077)
Accounts payable	(18,232)
Accrued liabilities	(24,274)
Total acquisition consideration	506,546
Total amortizable intangible assets	129,863
Developed Technology [Member]
Amortizable intangible assets	95,100
Total amortizable intangible assets	95,100
Customer Relationships [Member]
Amortizable intangible assets	28,000
Total amortizable intangible assets	28,000
Other Intangible Assets [Member]
Amortizable intangible assets	6,763
Total amortizable intangible assets	$ 6,763