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Guarantees And Contractual Obligations (Tables)
 3 Months Ended
Jan. 25, 2013
Guarantees And Contractual Obligations [Abstract]  
Deferred Revenue And Warranties For Certain Products Disclosure
    Three Months Ended  
    January 25,
2013		     January 27,
2012		  
Beginning balance, October   $ 80,272     $ 73,679  
Additional net deferred revenue/accrual made during the period     4,107       7,839  
Payments made during the period     (2,353 )     (2,104 )
Ending Balance   $ 82,026     $ 79,414