REPOSITIONING EXPENSES - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2017	Jan. 31, 2016	Oct. 31, 2016	Oct. 31, 2015
Restructuring Cost and Reserve [Line Items]
Repositioning expenses	$ 0.6	$ 1.2
Restructuring reserve	4.6	4.9	$ 5.4	$ 22.9
Swindon Wind Down
Restructuring Cost and Reserve [Line Items]
Repositioning expenses	0.6	$ 1.2
Restructuring reserve	$ 0.7