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Inventories - Schedule of Inventories (Detail) - USD ($)
$ in Thousands
Jan. 31, 2019
Oct. 31, 2018
Inventory Disclosure [Abstract]    
Raw materials and component parts $ 99,192 $ 112,823
Work-in-process 44,075 47,126
Finished goods 174,596 148,618
Inventories - gross 317,863 308,567
Obsolescence and other reserves (39,771) (37,545)
LIFO reserve (6,936) (6,545)
Inventories - net $ 271,156 $ 264,477