Increase decrease in fair value of equity conversion feature of preferred stock.

No definition available.

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Namespace Prefix:	hrg_
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- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4A

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5618551-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4C

-Subparagraph (a),(c),(d),(e)

-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Net Increase or Decrease in the fair value of the embedded derivative or group of embedded derivatives included in earnings in the period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4C

-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959

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Derivative Financial Instruments - Summary of Gain (Loss) Recognized in Income on Derivatives (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Derivative Instruments, Gain (Loss) [Line Items]
Increase Decrease In Fair Value Of Equity Conversion Feature Of Preferred Stock		$ (38.0)		$ 12.7
Embedded Derivative, Gain (Loss) on Embedded Derivative, Net	$ (0.5)	0.3	$ 0.5	0.3
Equity Conversion Feature Of Preferred Stock [Member] \| Increase Decrease In Fair Value Of Equity Conversion Feature Of Preferred Stock [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Three months ended June 30,	0.0	38.0		(12.7)
Commodity contracts [Member] \| Other (expense) income, net [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Three months ended June 30,	(2.7)	(2.2)	21.3	(12.4)
Bronze Commodity Contract [Member] \| Consumer products cost of goods sold [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Three months ended June 30,	0.0	0.1	0.0	0.0
Bronze Commodity Contract [Member] \| Net investment gains [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Three months ended June 30,	(0.5)	0.3	0.5	0.3
Foreign Exchange Contract [Member] \| Other (expense) income, net [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Three months ended June 30,	5.0	(0.2)	(2.4)	0.4
Call options [Member] \| Net investment gains [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Three months ended June 30,	(7.6)	91.1	25.6	226.6
Futures contracts [Member] \| Net investment gains [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Three months ended June 30,	0.0	10.5	4.3	24.9
FIA embedded derivatives [Member] \| Benefits and other changes in policy reserves [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Three months ended June 30,	$ (43.7)	$ 145.8	$ 265.6	$ 320.1