Other Balance Sheet Details (Details 2) (USD $)	12 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
Movement in Standard Product Warranty Accrual [Roll Forward]
Beginning balance	$ 47,282,000	$ 54,372,000	$ 40,196,000
Acquired	0	0	24,041,000
Provisions	33,418,000	18,451,000	15,353,000
Settlements	25,568,000	25,541,000	25,218,000
Balance at end of period	55,132,000	47,282,000	54,372,000
Reduction in warranty liability	$ 6,900,000