Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Sep. 30, 2011
Income Taxes (Textual) [Abstract]
Income tax provisions associated with income from continuing operations	$ 1.8	$ 1.5	$ 4.2	$ 4.7
Effective tax rates	35.60%	33.30%	36.70%	35.10%
U.S. federal statutory tax rate	35.00%	35.00%	35.00%	35.00%
Income tax expense from discontinued operations	0.1	0.1	1.1	1.1
Income tax benefit from discontinued operations	1.6	1.6	4.1	4.1
Income tax benefit from the sale of discontinued operations	0.1		0.7
The effective tax rate applied to discontinued operations	96.50%	197.70%	65.00%	32.50%
Goodwill impairment charge				5.7
Pre-tax loss				12.7
Unrecognized tax benefits including interest and penalties	1.5		1.5		1.6
Liability for unrecognized tax benefits to change significantly in the next 12 months	$ 0		$ 0