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Long-Term Debt - Summary of Long-Term Debt (Detail) - USD ($)
$ in Millions
Oct. 31, 2018
Oct. 31, 2017
Debt Instrument [Line Items]    
Long-term debt $ 907.6 $ 959.2
Less current portion 18.8 15.0
Less deferred financing costs 4.7 6.4
Long-term debt, net 884.1 937.8
Senior Notes due 2019    
Debt Instrument [Line Items]    
Less deferred financing costs 0.4  
Other Debt [Member]    
Debt Instrument [Line Items]    
Long-term debt 0.7 6.5
Senior Notes due 2021 | Senior Notes    
Debt Instrument [Line Items]    
Long-term debt 226.5 230.9
Senior Notes due 2019 | Senior Notes    
Debt Instrument [Line Items]    
Long-term debt 249.1 248.0
2017 Credit Agreement - Term Loan    
Debt Instrument [Line Items]    
Long-term debt 281.3  
Secured Debt | 2017 Credit Agreement - Term Loan    
Debt Instrument [Line Items]    
Long-term debt 277.5 288.8
Domestic Line of Credit | United States Trade Accounts Receivable Credit Facility    
Debt Instrument [Line Items]    
Long-term debt 150.0 150.0
Less deferred financing costs 0.1  
Revolving Credit Facility | 2017 Credit Agreement - Term Loan    
Debt Instrument [Line Items]    
Long-term debt 3.8 $ 35.0
Less current portion 18.8  
Less deferred financing costs 4.2  
Long-term debt, net $ 262.5