Industry, Segment and Geographic Information (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Oct. 29, 2011	Jul. 30, 2011	Apr. 30, 2011	Jan. 29, 2011	Oct. 30, 2010	Jul. 31, 2010	May 01, 2010	Jan. 30, 2010	Oct. 29, 2011	Oct. 30, 2010	Oct. 31, 2009
Revenue Trends
Revenue	$ 716,134	$ 757,902	$ 790,780	$ 728,504	$ 769,990	$ 720,290	$ 668,240	$ 602,983	$ 2,993,320	$ 2,761,503	$ 2,014,908
% of Total Product Revenue									100.00%	100.00%	100.00%
Y/Y%									8.00%
Digital signal processing [Member]
Revenue Trends
Revenue									233,596	234,843	173,341
% of Total Product Revenue									8.00%	9.00%	9.00%
Y/Y%									(1.00%)
Total analog products [Member]
Revenue Trends
Revenue									2,759,724	2,526,660	1,841,567
% of Total Product Revenue									92.00%	91.00%	91.00%
Y/Y%									9.00%
Power management & reference [Member]
Revenue Trends
Revenue									217,501	194,699	118,148
% of Total Product Revenue									7.00%	7.00%	6.00%
Y/Y%									12.00%
Subtotal analog signal processing [Member]
Revenue Trends
Revenue									2,542,223	2,331,961	1,723,419
% of Total Product Revenue									85.00%	84.00%	86.00%
Y/Y%									9.00%
Converters [Member]
Revenue Trends
Revenue									1,343,492	1,295,678	1,005,004
% of Total Product Revenue									45.00%	47.00%	50.00%
Y/Y%									4.00%
Amplifiers/Radio frequency [Member]
Revenue Trends
Revenue									788,498	701,634	501,942
% of Total Product Revenue									26.00%	25.00%	25.00%
Y/Y%									12.00%
Other analog [Member]
Revenue Trends
Revenue									$ 410,233	$ 334,649	$ 216,473
% of Total Product Revenue									14.00%	12.00%	11.00%
Y/Y%									23.00%