Segment Information (Details)	3 Months Ended		9 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Fine Chemicals Customer One [Member]
Revenue, Major Customer [Line Items]
Entity-Wide Revenue, Major Customer, Percentage	26.00%	31.00%	30.00%	23.00%
Fine Chemicals Customer Two [Member]
Revenue, Major Customer [Line Items]
Entity-Wide Revenue, Major Customer, Percentage				12.00%
Fine Chemicals Customer Three [Member]
Revenue, Major Customer [Line Items]
Entity-Wide Revenue, Major Customer, Percentage	13.00%	11.00%	12.00%	11.00%
Fine Chemicals Customer Four [Member]
Revenue, Major Customer [Line Items]
Entity-Wide Revenue, Major Customer, Percentage			12.00%
Specialty Chemicals Customer [Member]
Revenue, Major Customer [Line Items]
Entity-Wide Revenue, Major Customer, Percentage	25.00%		20.00%	11.00%
Specialty Chemicals Customer Two [Member]
Revenue, Major Customer [Line Items]
Entity-Wide Revenue, Major Customer, Percentage		12.00%