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SEGMENT DATA - Concentration Risk (Details) - Sales - Customer concentration - Single customer - Residential - customer
12 Months Ended
Oct. 31, 2016
Oct. 31, 2015
Oct. 31, 2014
Concentration Risk      
Number of customers 1 1 1
Percentage of consolidated gross sales accounted for by one customer (as a percent) 11.00% 11.00% 11.00%