Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.

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Revisions of Condensed Consolidated Financial Statements Statement of Equity (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2012
Stockholders' Equity Attributable to Parent	$ 2,609.6	$ 2,492.5	$ 2,331.2
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	3,718.7	3,547.9	3,438.8
Accumulated other comprehensive income (loss)
Stockholders' Equity Attributable to Parent	32.2	8.4	(37.3)	(55.2)
Accumulated other comprehensive income (loss) \| Scenario, Previously Reported [Member]
Stockholders' Equity Attributable to Parent			(43.7)
Accumulated other comprehensive income (loss) \| Restatement Adjustment [Member]
Stockholders' Equity Attributable to Parent			6.4
Noncontrolling Interest [Member]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest			1,107.6
Noncontrolling Interest [Member] \| Scenario, Previously Reported [Member]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest			1,110.5
Noncontrolling Interest [Member] \| Restatement Adjustment [Member]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest			(2.9)
Retained earnings
Stockholders' Equity Attributable to Parent	1,397.9	1,308.3	1,227.9	1,156.0
Retained earnings \| Scenario, Previously Reported [Member]
Stockholders' Equity Attributable to Parent			1,238.1
Retained earnings \| Restatement Adjustment [Member]
Stockholders' Equity Attributable to Parent			$ (10.2)