Acquisitions - Schedule of Purchase Price Allocation (Details) (Gennum, USD $) In Thousands, unless otherwise specified	Jan. 27, 2013	Oct. 28, 2012	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	261,900	262,800	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
Developed technology
Amortizable intangible assets			95,100
Customer relationships
Amortizable intangible assets			28,000
Other intangible assets
Amortizable intangible assets			$ 6,763