Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jun. 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 six months ended June 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
Foreign exchange		(1.9	)		—			(1.9	)
Transfer to current assets held for sale		(32.4	)		—			(32.4	)
Net book value as of June 30, 2018
Goodwill		2,627.6			519.5			3,147.1
Accumulated impairment losses		(2,338.8	)		(254.1	)		(2,592.9	)
Total	$	288.8		$	265.4		$	554.2

Components of Other Intangible Assets

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

	June 30, 2018							December 31, 2017
	Gross							Gross
	Carrying		Accumulated			Net Book		Carrying		Accumulated			NetBook
	Amount		Amortization			Value		Amount		Amortization			Value
Client relationships	$	523.8	$	(416.7	)	$	107.1	$	534.1	$	(412.4	)	$	121.7
Patents		2.0		(2.0	)		—		2.0		(2.0	)		—
Trademarks, licenses and agreements		25.8		(25.0	)		0.8		26.2		(25.2	)		1.0
Trade names		36.6		(17.3	)		19.3		36.8		(16.2	)		20.6
Total other intangible assets	$	588.2	$	(461.0	)	$	127.2	$	599.1	$	(455.8	)	$	143.3