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Impairment of Proved Oil and Gas Properties

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Statutory Accounting Practices, Non-Permitted Practice, Change in Statutory Capital and Surplus

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Statutory Accounting Practices, Permitted Practice, Change in Statutory Capital and Surplus

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

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-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 45

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=51824106&loc=d3e2420-110228

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

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The amount of statutory capital and surplus (stockholders' equity) as of the balance sheet date using prescribed or permitted statutory accounting practices (rather than GAAP, if different) of the state or country.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.23(c))

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-Topic 944

-SubTopic 505

-Section 50

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 24

-Subparagraph c

-Article 7

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Basis of Presentation, Significant Accounting Polices and Practicies and Recent Accounting Pronouncements - Basis of Presentation (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014	Sep. 30, 2014
Basis of Presentation [Line Items]
Asset Impairment Charges	$ 249.3us-gaap_AssetImpairmentCharges	$ 81.0us-gaap_AssetImpairmentCharges	$ 499.5us-gaap_AssetImpairmentCharges	$ 82.8us-gaap_AssetImpairmentCharges
Impairment of Proved Oil and Gas Properties			336.6	81.0
Energy Segment [Member]
Basis of Presentation [Line Items]
Asset Impairment Charges	146.6		336.6
Impairment of Proved Oil and Gas Properties				81.0
FGL [Member]
Basis of Presentation [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	19.30%		19.30%
Raven Re [Member]
Basis of Presentation [Line Items]
Statutory Accounting Practices, Statutory Capital and Surplus, Balance	238.8		238.8		251.3
Statutory Accounting Practices, Permitted Practice, Change in Statutory Capital and Surplus	12.4		12.4		18.8
Statutory Accounting Practices, Non-Permitted Practice, Change in Statutory Capital and Surplus	$ (62.8)		$ (62.8)		$ (81.3)