Basis of Presentation - Shipping Expense (Details) - USD ($)	3 Months Ended		9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Shipping expenses	$ 1,200,000	$ 200,000	$ 1.9	$ 0.7