Acquisitions (Details) (USD $)	9 Months Ended
	Aug. 04, 2012	Jun. 09, 2011
Business Acquisition [Line Items]
Goodwill acquired	$ 6,878,000
Goodwill deductible for tax purposes	0
Lyric Semiconductor, Inc [Member]
Business Acquisition [Line Items]
Fair value of the consideration transferred totaled		27,800,000
Initial cash payments		14,000,000
In-process research and development	12,200,000
Deferred tax assets (liabilities)	(3,300,000)
Obligation payment period	20 years
Obligated to pay royalties on revenue recognized from the sale of Lyric products and licenses	25,000,000
Acquisition related costs	200,000
Contingent consideration	12,300,000	13,800,000
Goodwill	18,900,000
Current portion of contingent consideration liability	7,800,000
Noncurrent portion of contingent consideration liability	4,500,000
Payments for contingent consideration	2,000,000
Royalty payments	0
Period of cash payments related to contingent consideration	June 2011 through June 2016
Multigig, Inc [Member]
Business Acquisition [Line Items]
Fair value of the consideration transferred totaled	26,800,000
Initial cash payments	24,200,000
Indemnification holdback	2,600,000
Indemnification holdback months to be paid	15 months
Business Acquisition Indemnification Holdback Adjustment	100,000
In-process research and development	15,600,000
Developed technology	1,100,000
Goodwill acquired	7,000,000
Deferred tax assets (liabilities)	3,100,000
Obligation payment period	5 years
Obligated to pay royalties on revenue recognized from the sale of Lyric products and licenses	1,000,000
Acquisition related costs	500,000
Royalty payments	$ 0