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FINANCING ARRANGEMENTS (Details) - USD ($)
$ in Millions
May 15, 2017
Oct. 31, 2017
Revolving Credit Facility    
Financing Arrangements    
Borrowing available under financing arrangements $ 50.0  
Letter of Credit    
Financing Arrangements    
Letters of credit outstanding amount   $ 14.9
Borrowings outstanding under bank financing arrangements   $ 0.0
London Interbank Offered Rate (LIBOR) | Revolving Credit Facility    
Financing Arrangements    
Variable rate 30-day LIBOR  
Interest rate margin on referred rate 2.00%