SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND RELATED DATA - Inventory Valuations (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2016	Oct. 31, 2017
Inventory Disclosure [Abstract]
Percentage of total inventory valued under FIFO method	33.00%	31.00%
Effect of LIFO inventory layers reduction on cost of sales	$ 60
Inventory, Net [Abstract]
Raw materials and work in process	90,463	$ 100,077
Finished goods and service parts	58,358	66,801
Total FIFO value	365,392	395,793
Less: adjustment to LIFO value	274,929	295,716
Inventory, Net	$ 307,034	$ 328,992