Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Acquisitions Narrative (Details) - USD ($) $ in Millions	Dec. 12, 2014	Jun. 30, 2015	Sep. 30, 2014
Business Acquisition [Line Items]
Goodwill		$ 38.7	$ 37.1
Battery Manufacturing Facility, China
Business Acquisition [Line Items]
Consideration transferred	$ 12.1
Goodwill	$ 2.3