Segment Information (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Feb. 04, 2012	Jan. 29, 2011
Revenue Trends
Revenue	$ 648,058	$ 728,504
% of Revenue	100.00%	100.00%
Y/Y%	(11.00%)
Digital signal processing [Member]
Revenue Trends
Revenue	57,366	55,963
% of Revenue	9.00%	8.00%
Y/Y%	3.00%
Total analog products [Member]
Revenue Trends
Revenue	590,692	672,541
% of Revenue	91.00%	92.00%
Y/Y%	(12.00%)
Power management & reference [Member]
Revenue Trends
Revenue	44,863	53,360
% of Revenue	7.00%	7.00%
Y/Y%	(16.00%)
Subtotal analog signal processing [Member]
Revenue Trends
Revenue	545,829	619,181
% of Revenue	84.00%	85.00%
Y/Y%	(12.00%)
Converters [Member]
Revenue Trends
Revenue	285,133	332,767
% of Revenue	44.00%	46.00%
Y/Y%	(14.00%)
Amplifiers / Radio frequency [Member]
Revenue Trends
Revenue	164,458	195,007
% of Revenue	25.00%	27.00%
Y/Y%	(16.00%)
Other analog [Member]
Revenue Trends
Revenue	$ 96,238	$ 91,407
% of Revenue	15.00%	13.00%
Y/Y%	5.00%