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Other Balance Sheet Details (Details 2) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Apr. 30, 2014
Apr. 30, 2013
Movement in Standard Product Warranty Accrual [Roll Forward]    
Beginning balance $ 56,303 $ 55,132
Provisions 12,424 11,060
Settlements (12,560) (11,463)
Balance at end of period $ 56,167 $ 54,729