REPOSITIONING EXPENSES - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2017	Apr. 30, 2016	Apr. 30, 2017	Apr. 30, 2016	Jan. 31, 2017	Oct. 31, 2016	Jan. 31, 2016	Oct. 31, 2015
Restructuring Cost and Reserve [Line Items]
Repositioning expenses	$ 1.8	$ 1.3	$ 2.4	$ 2.5
Restructuring Reserve	4.9	$ 3.4	4.9	$ 3.4	$ 4.6	$ 5.4	$ 4.9	$ 22.9
Other Restructuring
Restructuring Cost and Reserve [Line Items]
Repositioning expenses	1.8
Inventory Reserve For Three Months Ended | Swindon Wind Down
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	0.4		0.4
Inventory Reserve For Six Months Ended | Swindon Wind Down
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 1.1		$ 1.1