RELATED PARTIES (Details) - USD ($) $ in Millions	1 Months Ended		3 Months Ended
	Mar. 31, 2016	Feb. 29, 2016	Jan. 31, 2017	Jan. 31, 2016	Oct. 31, 2016	Oct. 31, 2015
Affiliated entity | JLL Partners Inc. and DSM | Business Services
Related Party Transaction [Line Items]
Expenses from transactions with related party			$ 0.0	$ 0.1
Affiliated entity | Koninklijke DSM | Shared Service Functions
Related Party Transaction [Line Items]
Expenses from transactions with related party			3.2	2.7
Revenue for services from related parties			0.2	0.1
Accounts payable, related parties			0.2		$ 0.2
Accounts receivable, related parties			0.4		0.4
Affiliated entity | Banner Life Sciences | Shared Service Functions
Related Party Transaction [Line Items]
Revenue for services from related parties			0.0	6.5
Accounts receivable, related parties			0.7		1.1
Equity Method Investee
Related Party Transaction [Line Items]
Equity method investment values			8.5		8.7
Equity method gain/(loss)			(0.1)	1.9
Equity Method Investee | Banner Life Sciences
Related Party Transaction [Line Items]
Equity method investment values			2.7		2.9	$ 5.0
Cash distribution from Banner Life Services	$ 2.4
Equity method gain/(loss)			(0.1)	1.8
Equity Method Investee | Percivia
Related Party Transaction [Line Items]
Equity method investment values			$ 5.7		5.7
Ownership percentage (as percent)			50.00%
Return on capital		$ 1.2
Equity method gain/(loss)			$ 0.0	$ 0.1
Equity Method Investee | ChemiePark
Related Party Transaction [Line Items]
Equity method investment values			$ 0.1		$ 0.1
Ownership percentage (as percent)			47.50%