Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2018

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of Changes in the Carrying Value of Goodwill by Segment

The changes in the carrying amount of goodwill for the nine months ended September 30, 2018 were as follows:  

	Business Services			Marketing Solutions			Total
Net book value as of December 31, 2017
Goodwill	$	2,759.8		$	519.5		$	3,279.3
Accumulated impairment losses		(2,436.7	)		(254.1	)		(2,690.8	)
Total		323.1			265.4			588.5
Disposition		(32.4	)		—			(32.4	)
Foreign exchange		(1.8	)		—			(1.8	)
Net book value as of September 30, 2018
Goodwill		2,631.7			519.5			3,151.2
Accumulated impairment losses		(2,342.8	)		(254.1	)		(2,596.9	)
Total	$	288.9		$	265.4		$	554.3

Components of Other Intangible Assets

The components of other intangible assets at September 30, 2018 and December 31, 2017 were as follows:

	September 30, 2018							December 31, 2017
	Gross							Gross
	Carrying		Accumulated			Net Book		Carrying		Accumulated			NetBook
	Amount		Amortization			Value		Amount		Amortization			Value
Client relationships	$	524.2	$	(423.2	)	$	101.0	$	534.1	$	(412.4	)	$	121.7
Patents		2.0		(2.0	)		—		2.0		(2.0	)		—
Trademarks, licenses and agreements		25.7		(25.1	)		0.6		26.2		(25.2	)		1.0
Trade names		34.7		(16.1	)		18.6		36.8		(16.2	)		20.6
Total other intangible assets	$	586.6	$	(466.4	)	$	120.2	$	599.1	$	(455.8	)	$	143.3