REPORTABLE SEGMENT INFORMATION (Sales by product category) (Details)	Sep. 30, 2016
Specialty Ingredients [Member]
Revenue from External Customer [Line Items]
Percentage of Revenue by Product Category	100.00%
Specialty Ingredients [Member] | Cellulosics [Member]
Revenue from External Customer [Line Items]
Percentage of Revenue by Product Category	38.00%
Specialty Ingredients [Member] | Poly vinyl pyrrolidones [Member]
Revenue from External Customer [Line Items]
Percentage of Revenue by Product Category	19.00%
Specialty Ingredients [Member] | Adhesives [Member]
Revenue from External Customer [Line Items]
Percentage of Revenue by Product Category	16.00%
Specialty Ingredients [Member] | Actives [Member]
Revenue from External Customer [Line Items]
Percentage of Revenue by Product Category	7.00%
Specialty Ingredients [Member] | Vinyl Ethers [Member]
Revenue from External Customer [Line Items]
Percentage of Revenue by Product Category	6.00%
Specialty Ingredients [Member] | Other Products [Member]
Revenue from External Customer [Line Items]
Percentage of Revenue by Product Category	14.00%
Performance Materials [Member]
Revenue from External Customer [Line Items]
Percentage of Revenue by Product Category	100.00%
Performance Materials [Member] | Composites [Member]
Revenue from External Customer [Line Items]
Percentage of Revenue by Product Category	72.00%
Performance Materials [Member] | Intermediates/Solvents [Member]
Revenue from External Customer [Line Items]
Percentage of Revenue by Product Category	28.00%
Valvoline [Member]
Revenue from External Customer [Line Items]
Percentage of Revenue by Product Category	100.00%
Valvoline [Member] | Lubricants [Member]
Revenue from External Customer [Line Items]
Percentage of Revenue by Product Category	89.00%	[1]
Valvoline [Member] | Chemicals [Member]
Revenue from External Customer [Line Items]
Percentage of Revenue by Product Category	4.00%
Valvoline [Member] | Antifreeze [Member]
Revenue from External Customer [Line Items]
Percentage of Revenue by Product Category	4.00%
Valvoline [Member] | Filters [Member]
Revenue from External Customer [Line Items]
Percentage of Revenue by Product Category	3.00%

[1] Includes sales for Oil Can Henry’s starting February 1, 2016.