Inventories (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Inventory Disclosure [Abstract]
Inventory Write-down	$ 2.1	$ 1.2	$ 4.3	$ 3.5