Supplemental Consolidated Financial Information (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
	Jun. 30, 2013	Jun. 30, 2013	Sep. 30, 2012	Jun. 30, 2012
Property, Plant and Equipment [Line Items]
Future minimum lease payments related to capital leases due within one year	$ 0.6	$ 0.6
Future minimum lease payments related to capital leases due within two years	0.6	0.6
Future minimum lease payments related to capital leases	1.2	1.2
Future minimum lease payments related to capital leases, interest	0.1	0.1
Present value of net minimum lease payments	1.1	1.1
Assets Held under Capital Leases [Member]
Property, Plant and Equipment [Line Items]
Capital Leased Assets, Gross	1.6	1.6	1.6	1.2
Depreciation and amortization	$ 0.1	$ 0.4