Goodwill and Intangibles (Tables) - USD ($)
$ in Millions

6 Months Ended

Mar. 31, 2017

Mar. 31, 2016

Finite-Lived Intangible Assets [Line Items]

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



	Amortizable Life
	Minimum	Maximum

Customer relationships	2	20
Technology Assets	5	18
Trade names	5	13

Amortization of intangibles

$ 47.1

$ 47.0

Summary of Definite Lived Intangible Assets

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, 2016	$	2,478.4		$	1,473.5		$	899.0		$	2,372.5
Additions	—			—			1.2			1.2
Periodic amortization	—			—			(47.1		)	(47.1		)
Effect of translation	(4.6		)	(9.7		)	(4.4		)	(14.1		)
Balance at March 31, 2017	$	2,473.8		$	1,463.8		$	848.7		$	2,312.5



	March 31, 2017							September 30, 2016
	Cost		Accumulated Amortization			Net		Cost		Accumulated Amortization			Net
Customer relationships	$	976.8	$	(327.2	)	$	649.6	$	984.8	$	(302.9	)	$	681.9
Technology assets	238.2		(107.9		)	130.3		237.2		(96.7		)	140.5
Trade names	165.7		(96.9		)	68.8		165.7		(89.1		)	76.6
	$	1,380.7	$	(532.0	)	$	848.7	$	1,387.7	$	(488.7	)	$	899.0

Summary of Amortization Expense of Definite Lived Intangible Assets

Amortization expense for definite lived intangible assets for the three months ended March 31, 2017 and 2016 was $23.5 and $23.4, respectively, and $47.1 and $47.0 for the six months ended March 31, 2017 and 2016, respectively, and was included in “Selling, acquisition, operating and general expenses” within the accompanying Condensed Consolidated Statements of Operations. Excluding the impact of any future acquisitions or change in foreign currency, the Company estimates annual amortization expense of amortizable intangible assets for the next five fiscal years will be as follows:



Fiscal Year	Estimated Amortization Expense
2017	$	91.9
2018	85.7
2019	85.4
2020	85.2
2021	81.9