Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 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 three months ended March 31, 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
Foreign exchange		2.2			—			2.2
Net book value as of March 31, 2018
Goodwill		2,775.2			519.5			3,294.7
Accumulated impairment losses		(2,449.9	)		(254.1	)		(2,704.0	)
Total	$	325.3		$	265.4		$	590.7

Components of Other Intangible Assets

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

	March 31, 2018							December 31, 2017
	Gross							Gross
	Carrying		Accumulated			Net Book		Carrying		Accumulated			NetBook
	Amount		Amortization			Value		Amount		Amortization			Value
Client relationships	$	539.5	$	(424.1	)	$	115.4	$	534.1	$	(412.4	)	$	121.7
Patents		2.0		(2.0	)		—		2.0		(2.0	)		—
Trademarks, licenses and agreements		26.2		(25.3	)		0.9		26.2		(25.2	)		1.0
Trade names		36.9		(16.9	)		20.0		36.8		(16.2	)		20.6
Total other intangible assets	$	604.6	$	(468.3	)	$	136.3	$	599.1	$	(455.8	)	$	143.3