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Significant Accounting Policies and Practices and Recent Accounting Pronouncements - Additional Details (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Subsidiary or Equity Method Investee [Line Items]
Gain on contingent purchase price reduction	$ 0.5	$ 0	$ 41.0
FGL
Subsidiary or Equity Method Investee [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	19.60%
Spectrum Brands
Subsidiary or Equity Method Investee [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	41.30%
Maximum
Subsidiary or Equity Method Investee [Line Items]
Interest crediting rate, policyholder liabilities	6.00%
Gas Gathering and Processing Equipment [Member]
Subsidiary or Equity Method Investee [Line Items]
Property, Plant and Equipment, Estimated Useful Lives	14 years

X

- Definition

Income from contingent purchase price reduction.

+ References

No definition available.

+ Details

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X

- Definition

Interest crediting rate, policyholder liabilities

+ References

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X

- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

+ Details

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X

- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

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