Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 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 years ended December 31, 2018 and 2017 were as follows:

	Business Services			Marketing Solutions			Total
Net book value as of January 1, 2017
Goodwill		2,686.6			519.5			3,206.1
Accumulated impairment losses		(2,371.3	)		(232.8	)		(2,604.1	)
Total	$	315.3		$	286.7		$	602.0
Foreign exchange and other adjustments		7.8			—			7.8
Impairment charges		—			(21.3	)		(21.3	)
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 and other adjustments		(2.7	)		—			(2.7	)
Net book value as of December 31, 2018
Goodwill		2,604.3			519.5			3,123.8
Accumulated impairment losses		(2,316.3	)		(254.1	)		(2,570.4	)
Total	$	288.0		$	265.4		$	553.4

Components of Other Intangible Assets

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

	December 31, 2018							December 31, 2017
	Gross Carrying Amount		Accumulated Amortization			Net Book Value		Gross Carrying Amount		Accumulated Amortization			Net Book Value
Client relationships	$	520.3	$	(425.5	)	$	94.8	$	534.1	$	(412.4	)	$	121.7
Patents		2.0		(2.0	)		—		2.0		(2.0	)		—
Trademarks, licenses and agreements		25.7		(25.2	)		0.5		26.2		(25.2	)		1.0
Trade names		34.6		(16.6	)		18.0		36.8		(16.2	)		20.6
Total other intangible assets	$	582.6	$	(469.3	)	$	113.3	$	599.1	$	(455.8	)	$	143.3

Schedule of Estimated Annual Amortization Expense Related to Other Intangible Assets

The following table outlines the estimated annual amortization expense related to other intangible assets as of December 31, 2018:

	Amount
2019	$	23.4
2020		19.6
2021		19.4
2022		19.3
2023		19.2
2024 and thereafter		12.4
Total	$	113.3