Goodwill and Other Intangible Assets - Schedule of Changes in the Carrying Value of Goodwill by Segment (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Goodwill [Line Items]
Goodwill gross	$ 4,779.2	$ 4,768.3
Accumulated impairment losses	(3,032.1)	(3,024.7)
Goodwill	1,747.1	1,743.6
Foreign exchange and other adjustments	3.5
Publishing and Retail Services
Goodwill [Line Items]
Goodwill gross	739.2	739.2
Accumulated impairment losses	(688.0)	(688.0)
Goodwill	51.2	51.2
Variable Print
Goodwill [Line Items]
Goodwill gross	1,914.9	1,914.0
Accumulated impairment losses	(1,105.2)	(1,105.2)
Goodwill	809.7	808.8
Foreign exchange and other adjustments	0.9
Strategic Services
Goodwill [Line Items]
Goodwill gross	992.0	991.5
Accumulated impairment losses	(219.8)	(219.7)
Goodwill	772.2	771.8
Foreign exchange and other adjustments	0.4
International Services
Goodwill [Line Items]
Goodwill gross	1,133.1	1,123.6
Accumulated impairment losses	(1,019.1)	(1,011.8)
Goodwill	114.0	$ 111.8
Foreign exchange and other adjustments	$ 2.2