Intangible Assets, net (Tables)

6 Months Ended

Mar. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Total Intangible Assets

	March 31, 2017							September 30, 2016
	Carrying Amount		Accumulated Amortization			Net Amount		Carrying Amount		Accumulated Amortization			Net Amount
Subject to amortization:
Customer relationships	$	2,056.6	$	(358.0	)	$	1,698.6	$	2,012.7	$	(302.0	)	$	1,710.7
Trademarks/brands	802.6		(141.5		)	661.1		795.1		(120.6		)	674.5
Other intangible assets	21.7		(8.7		)	13.0		21.7		(7.7		)	14.0
	2,880.9		(508.2		)	2,372.7		2,829.5		(430.3		)	2,399.2
Not subject to amortization:
Trademarks/brands	434.5		—			434.5		434.5		—			434.5
	$	3,315.4	$	(508.2	)	$	2,807.2	$	3,264.0	$	(430.3	)	$	2,833.7