Significant Accounting Policies (Tables)

6 Months Ended

Mar. 31, 2016

Accounting Policies [Abstract]

Segment Reporting Revenue Percentage

The following table shows the relative size of the revenue recognized in each of the Company’s reportable segments.

	Three Months Ended						Six Months Ended
	March 31,						March 31,
	2016			2015			2016			2015
Reinforcement Materials		48	%		53	%		49	%		56	%
Performance Chemicals		39	%		35	%		38	%		32	%
Purification Solutions		12	%		11	%		12	%		10	%
Specialty Fluids		1	%		1	%		1	%		2	%