Income Taxes (Effective Tax Rate Reconciliation) (Details)	12 Months Ended
Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Abstract]
U.S. federal statutory tax rate	35.00%	35.00%	35.00%
State taxes, net of federal benefit	1.00%	0.50%	0.50%
Income from equity affiliates	(3.00%)	(3.90%)	(4.30%)
Foreign tax differentials	(6.60%)	(8.30%)	(5.40%)
U.S. taxes on foreign earnings	(1.60%)	(1.70%)	(1.50%)
Domestic production activities	(0.90%)	(0.70%)	(0.60%)
Non-deductible goodwill impairment charge	0.00%	8.00%	0.00%
Non-U.S. subsidiary tax election	0.00%	(3.80%)	0.00%
Other	0.10%	1.90%	(0.90%)
Effective Tax Rate	24.00%	27.00%	22.80%

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign tax credit, net of the percentage difference of expense (benefit) attributable to the repatriation of foreign earnings.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to equity in earnings (loss) of unconsolidated subsidiaries exempt from income taxes.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

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