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Inventories (Schedule of Inventories) (Details) (USD $)
In Thousands, unless otherwise specified
Apr. 30, 2013
Oct. 31, 2012
Inventory Disclosure [Abstract]    
Raw materials $ 77,381 $ 75,500
Work-in-process 14,268 10,142
Finished goods 247,674 234,557
Inventories, net $ 339,323 $ 320,199