Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Goodwill

The following table summarizes the changes in the carrying amount of goodwill for the nine months ended September 30, 2018 (in millions):

	Americas			EMEA			APAC			Total
Balance as of December 31, 2017	$	1,249.7		$	249.0		$	266.6		$	1,765.3
Acquisitions	—			15.2			11.7			26.9
Measurement period adjustments	12.7			—			—			12.7
Effect of movements in exchange rates and other	(4.9		)	(8.5		)	(20.5		)	(33.9		)
Balance as of September 30, 2018	$	1,257.5		$	255.7		$	257.8		$	1,771.0

Summary of Finite-Lived Intangible Assets

The following tables summarize the carrying amounts and accumulated amortization of intangible assets (in millions):

		As of September 30, 2018
	Useful Life (in years)	Gross Value		Accumulated Amortization			Net Value
C&W trade name	Indefinite	$	546.0	$	—		$	546.0
Customer relationships	1 – 15	1,203.0		(596.3		)	606.7
Other intangible assets	2 – 13	26.9		(13.1		)	13.8
Total intangible assets		$	1,775.9	$	(609.4	)	$	1,166.5
		As of December 31, 2017
	Useful Life (in years)	Gross Value		Accumulated Amortization			Net Value
C&W trade name	Indefinite	$	546.0	$	—		$	546.0
Customer relationships	1 – 15	1,211.5		(468.0		)	743.5
Other intangible assets	2 – 13	26.9		(10.4		)	16.5
Total intangible assets		$	1,784.4	$	(478.4	)	$	1,306.0

Summary of Indefinite-Lived Intangible Assets

The following tables summarize the carrying amounts and accumulated amortization of intangible assets (in millions):

		As of September 30, 2018
	Useful Life (in years)	Gross Value		Accumulated Amortization			Net Value
C&W trade name	Indefinite	$	546.0	$	—		$	546.0
Customer relationships	1 – 15	1,203.0		(596.3		)	606.7
Other intangible assets	2 – 13	26.9		(13.1		)	13.8
Total intangible assets		$	1,775.9	$	(609.4	)	$	1,166.5
		As of December 31, 2017
	Useful Life (in years)	Gross Value		Accumulated Amortization			Net Value
C&W trade name	Indefinite	$	546.0	$	—		$	546.0
Customer relationships	1 – 15	1,211.5		(468.0		)	743.5
Other intangible assets	2 – 13	26.9		(10.4		)	16.5
Total intangible assets		$	1,784.4	$	(478.4	)	$	1,306.0