Basis of Presentation and Accounting Policies (Details Textual) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Sep. 30, 2015
New Accounting Pronouncement, Early Adoption [Line Items]
Allowance for doubtful accounts	$ 22.3		$ 22.0
Allowance for certain customer returns, rebates and incentives	$ 11.4		9.2
Antidilutive share-based compensation awards	2.9	1.7
Capital expenditures in accounts payable or other current liabilities at period end	$ 3.4	$ 5.8
Outstanding purchase of common stock recorded in accounts payable	$ 6.9	$ 3.4
Scenario, Previously Reported [Member]
New Accounting Pronouncement, Early Adoption [Line Items]
Current deferred tax assets retrospectively reclassified to noncurrent			$ 151.2