Inventory - Other Disclosures (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
	Jun. 30, 2012	Jun. 30, 2012	May 07, 2012
Inventory, damaged by Thailand flood, writedown (recovery)	$ (0.3)	$ 3.7
Inventory sold to SEI			5.1
Inventory writedown, associated with sale of assets to SEI			$ 0.3