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

3 Months Ended

Dec. 31, 2016

Dec. 31, 2015

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

$ 23.6

$ 23.6

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	—			—			0.8			0.8
Periodic amortization	—			—			(23.6		)	(23.6		)
Effect of translation	(13.9		)	(13.9		)	(7.9		)	(21.8		)
Balance at December 31, 2016	$	2,464.5		$	1,459.6		$	868.3		$	2,327.9

	December 31, 2016							September 30, 2016
	Cost		Accumulated Amortization			Net		Cost		Accumulated Amortization			Net
Customer relationships	$	973.3	$	(313.2	)	$	660.1	$	984.8	$	(302.9	)	$	681.9
Technology assets	237.8		(102.3		)	135.5		237.2		(96.7		)	140.5
Trade names	165.7		(93.0		)	72.7		165.7		(89.1		)	76.6
	$	1,376.8	$	(508.5	)	$	868.3	$	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 December 31, 2016 and 2015 was $23.6 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