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Industry, Segment and Geographic Information (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended12 Months Ended
Oct. 29, 2011
Jul. 30, 2011
Apr. 30, 2011
Jan. 29, 2011
Oct. 30, 2010
Jul. 31, 2010
May 01, 2010
Jan. 30, 2010
Oct. 29, 2011
Oct. 30, 2010
Oct. 31, 2009
Revenue Trends           
Revenue$ 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%  
Industrial [Member]
           
Revenue Trends           
Revenue        1,397,6341,267,736860,696
% of Total Product Revenue        47.00%46.00%43.00%
Y/Y%        10.00%  
Automotive [Member]
           
Revenue Trends           
Revenue        415,444333,644200,329
% of Total Product Revenue        14.00%12.00%10.00%
Y/Y%        25.00%  
Consumer [Member]
           
Revenue Trends           
Revenue        586,945626,565508,848
% of Total Product Revenue        20.00%23.00%25.00%
Y/Y%        (6.00%)  
Communications [Member]
           
Revenue Trends           
Revenue        $ 593,297$ 533,558$ 445,035
% of Total Product Revenue        20.00%19.00%22.00%
Y/Y%        11.00%