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Long-Term Debt - Summary of Long-Term Debt (Detail) - USD ($)
$ in Millions
Jan. 31, 2017
Oct. 31, 2016
Debt Instrument [Line Items]    
Other debt $ 9.1 $ 9.7
Total long-term debt 1,074.8 974.6
Less current portion 0.0 0.0
Long-term debt 1,074.8 974.6
2017 Credit Agreement    
Debt Instrument [Line Items]    
Credit Facilities 204.0 0.0
Prior Credit Agreement    
Debt Instrument [Line Items]    
Prior Credit Agreement 0.0 201.2
Senior Notes due 2017    
Debt Instrument [Line Items]    
Senior Notes 300.0 300.1
Senior Notes due 2019    
Debt Instrument [Line Items]    
Senior Notes 247.2 247.0
Senior Notes due 2021    
Debt Instrument [Line Items]    
Senior Notes 212.8 216.6
Receivables Facility    
Debt Instrument [Line Items]    
Credit Facilities $ 101.7 $ 0.0