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Line of Credit - Facility Information (Details) - USD ($)
$ in Millions
Jan. 31, 2017
Oct. 31, 2016
Debt Disclosure [Abstract]    
Cash borrowings $ 306.0 $ 268.3
Standby letters of credit 137.9 130.9
Borrowing capacity 356.1 [1] $ 400.8
Borrowing capacity after covenant restrictions $ 141.9  
[1] At January 31, 2017, current covenant restrictions limit our borrowing capacity to $141.9 million. However, this amount could increase in connection with material acquisitions, as defined in the Credit Agreement.