SEGMENT INFORMATION - Reconciliation of Adjusted EBITDA (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2017	Jan. 31, 2016
Segment Reporting Information [Line Items]
Total Adjusted EBITDA	$ 82.5	$ 59.0
Depreciation and amortization	(27.6)	(26.4)
Repositioning expenses	1.3	1.2
Acquisition and integration costs	(3.5)	(2.6)
Interest expense, net	(28.2)	(43.8)
Benefit from income taxes	21.3	0.7
Operational initiatives related consulting costs	(1.1)	(1.4)
IPO costs	0.0	(0.4)
Acquisition related litigation expenses	(2.3)	(1.0)
Stock based compensation expense	(4.0)	(1.0)
FDA remediation costs	0.0	(8.4)
Environmental remediation costs	(3.7)	0.0
Other	(3.8)	6.5
Net income (loss) from continuing operations	28.3	$ (20.0)
Swindon Wind Down
Segment Reporting Information [Line Items]
Inventory Write-down	$ 0.7