Note 18 - Discontinued Operations (Detail) - Summary of Results in Discontinued Operations (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Revenues		$ 16.1		$ 45.0
Income before tax		0.4		4.4
Income tax provision (benefit)		(0.9)		(2.1)
Income (loss) from discontinued operations, net of tax		(0.5)		2.3
Loss on divestiture before tax		(10.7)	(2.4)	(10.7)
Income tax provision (benefit)	(0.3)	6.3	0.6	6.3
Loss on divestiture, net of tax	(0.3)	(4.4)	(1.8)	(4.4)
Loss from discontinued operations, net of tax	$ (0.3)	$ (4.9)	$ (1.8)	$ (2.1)