Business Combinations (Allocation of the Purchase Price) (Details) (Wintegra, Inc. [Member], USD $)	Dec. 26, 2010
Wintegra, Inc. [Member]
Business Acquisition [Line Items]
Current assets (including cash acquired of $17.3 million)	$ 41,463,000
Other long-term assets	1,638,000
Total intangible assets	104,000,000
Goodwill	121,032,000
Total assets	268,133,000
Current liabilities	13,442,000
Long-term liabilities	7,350,000
Total liabilities	20,792,000
Total	247,341,000
Cash acquired	$ 17,300,000