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Note 21 - Discontinued Operations (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Long Lived Assets Held-for-sale, Proceeds from Sale	$ 47.0
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax	(2.4)	(22.6)	(2.8)
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax	(3.8)	(12.6)	(2.8)
Disposal Group, Including Discontinued Operation, Operating Income (Loss)		1.4
Disposal Group, Including Discontinued Operation, Other Current Liabilities	$ 5.6	$ 5.7

Amount of gain (loss), before tax expense or benefit and not previously recognized, resulting from the sale of a business component.

Amount of gain (loss), after tax expense or benefit and not previously recognized, resulting from the sale of a business component.