Goodwill and Intangibles, net Goodwill and Intangibles, net (Tables)

12 Months Ended

Sep. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Changes in Carrying Amounts of Goodwill and Intangible Assets Including FGL's DAC and VOBA Balances

A summary of the changes in the carrying amounts of goodwill and intangible assets are as follows:

				Intangible Assets
	Goodwill			Indefinite Lived			Definite Lived			Total
Balance at September 30, 2015	$	2,487.4		$	1,490.3		$	990.0		$	2,480.3
Adjustments	3.3			1.0			3.2			4.2
Impairments (Note 2)	(10.7		)	(4.7		)	—			(4.7		)
Periodic amortization	—			—			(93.9		)	(93.9		)
Effect of translation	(1.6		)	(13.1		)	(0.3		)	(13.4		)
Balance at September 30, 2016	2,478.4			1,473.5			899.0			2,372.5
Adjustments	—			—			(0.9		)	(0.9		)
Acquisitions (Note 3)	135.0			81.1			67.1			148.2
Impairments (Note 2)	—			(16.3		)	—			(16.3		)
Periodic amortization	—			—			(95.2		)	(95.2		)
Effect of translation	12.6			10.5			5.2			15.7
Balance at September 30, 2017	$	2,626.0		$	1,548.8		$	875.2		$	2,424.0

Schedule of Finite-Lived Intangible Assets [Table Text Block]

The range and weighted average useful lives for definite-lived intangibles assets are as follows:

Asset Type	Range	Weighted Average
Customer relationships	2 to 20 years	18.4 years
Technology assets	5 to 18 years	12.2 years
Tradenames	5 to 13 years	11.4 years

Amortizable intangible assets as of September 30, 2017 and 2016 consist of the following:

	September 30, 2017							September 30, 2016
	Cost		Accumulated Amortization			Net		Cost		Accumulated Amortization			Net
Customer relationships	$	1,007.6	$	(360.7	)	$	646.9	$	984.8	$	(302.9	)	$	681.9
Technology assets	250.5		(83.4		)	167.1		237.2		(96.7		)	140.5
Trade names	165.8		(104.6		)	61.2		165.7		(89.1		)	76.6
	$	1,423.9	$	(548.7	)	$	875.2	$	1,387.7	$	(488.7	)	$	899.0

Estimated Amortization Expense for VOBA and DAC in Future Fiscal Periods

Fiscal Year	Estimated Amortization Expense
2018	$	91.0
2019	90.9
2020	88.5
2021	79.7
2022	69.2