Goodwill and Other Intangible Assets - Schedule of Changes in the Carrying Value of Goodwill by Segment (Detail) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Dec. 31, 2013
Goodwill [Line Items]
Goodwill gross	$ 4,846.4	$ 4,607.9
Accumulated impairment losses	(3,117.3)	(3,171.6)
Goodwill	1,729.1	1,436.3
Acquisitions	300.1
Foreign exchange and other adjustments	(7.3)
Publishing and Retail Services
Goodwill [Line Items]
Goodwill gross	688.0	688.0
Accumulated impairment losses	(669.9)	(669.9)
Goodwill	18.1	18.1
Variable Print
Goodwill [Line Items]
Goodwill gross	1,914.7	1,638.6
Accumulated impairment losses	(1,105.2)	(1,105.2)
Goodwill	809.5	533.4
Acquisitions	276.2
Foreign exchange and other adjustments	(0.1)
Strategic Services
Goodwill [Line Items]
Goodwill gross	989.0	1,005.4
Accumulated impairment losses	(223.7)	(243.5)
Goodwill	765.3	761.9
Acquisitions	3.4
International
Goodwill [Line Items]
Goodwill gross	1,254.7	1,275.9
Accumulated impairment losses	(1,118.5)	(1,153.0)
Goodwill	136.2	122.9
Acquisitions	20.5
Foreign exchange and other adjustments	$ (7.2)