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LONG-TERM DEBT - Summary of Long-Term Debt (Detail) - USD ($)
$ in Millions
Jan. 31, 2019
Oct. 31, 2018
Debt Instrument [Line Items]    
Long-term debt $ 1,083.5 $ 907.6
Less current portion 18.8 18.8
Less deferred financing costs 4.2 4.7
Long-term debt 1,060.5 884.1
2017 Credit Agreement    
Debt Instrument [Line Items]    
Long-term debt 363.4  
Senior Notes due 2019    
Debt Instrument [Line Items]    
Less deferred financing costs 0.2  
Other debt    
Debt Instrument [Line Items]    
Long-term debt 0.8 0.7
Term Loan | 2017 Credit Agreement    
Debt Instrument [Line Items]    
Long-term debt 270.0 277.5
Domestic Line of Credit    
Debt Instrument [Line Items]    
Long-term debt 242.1 150.0
Revolving Credit Facility | 2017 Credit Agreement    
Debt Instrument [Line Items]    
Long-term debt 93.4 3.8
Less current portion 18.8  
Less deferred financing costs 3.9  
Long-term debt 344.6  
Senior Notes | Senior Notes due 2019    
Debt Instrument [Line Items]    
Long-term debt 249.4 249.1
Senior Notes | Senior Notes due 2021    
Debt Instrument [Line Items]    
Long-term debt $ 227.8 $ 226.5