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SUPPLEMENTAL BALANCE SHEET INFORMATION - Inventories (Details) - USD ($)
$ in Millions
Apr. 30, 2017
Oct. 31, 2016
Supplemental Balance Sheet Information [Abstract]    
Raw materials, packaging components and spare parts $ 228.7 $ 192.1
Work-in-process 92.3 80.9
Finished goods 130.6 122.2
Balance, end of period $ 451.6 $ 395.2