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Summary of Significant Accounting Policies (Schedule of Inventory) (Details) (USD $)
In Thousands, unless otherwise specified
Oct. 31, 2012
Oct. 31, 2011
Accounting Policies [Abstract]    
Raw materials $ 75,500 $ 62,832
Work-in-process 10,142 15,440
Finished goods 234,557 175,312
Inventories, net $ 320,199 $ 253,584