Other Intangible Assets (Tables)

12 Months Ended

Sep. 30, 2018

Other Intangible Assets [Abstract]

Schedule of Finite-Lived Intangible Assets

The gross carrying amount and accumulated amortization relating to intangible assets, excluding goodwill, is as follows (in millions, except weighted avg. life):

			September 30,
			2018					2017
	Weighted Avg. Life (in years)		Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
Customer relationships		16.7	$	4,123.7	$	(1,079.8	)	$	4,046.2	$	(806.0	)
Favorable contracts		10.1		47.8		(34.8	)		48.2		(30.7	)
Technology and patents		10.7		41.2		(18.0	)		31.8		(14.4	)
Trademarks and tradenames		19.8		77.6		(43.9	)		74.7		(31.4	)
Non-compete agreements		2.0		3.4		(1.7	)		2.5		(0.6	)
License costs		9.6		24.6		(18.1	)		23.6		(14.6	)
Total		16.6	$	4,318.3	$	(1,196.3	)	$	4,227.0	$	(897.7	)

Estimated intangible asset future amortization expense

Estimated intangible asset amortization expense for the succeeding five fiscal years is as follows (in millions):

Fiscal 2019	$	300.1
Fiscal 2020	$	289.6
Fiscal 2021	$	243.8
Fiscal 2022	$	234.6
Fiscal 2023	$	226.4