Goodwill (Detail) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Dec. 31, 2012
Goodwill [Line Items]
Goodwill	$ 4,604.0	$ 4,620.7
Accumulated impairment losses	(3,169.0)	(3,184.3)
Total	1,435.0	1,436.4
Foreign exchange and other adjustments	(1.4)
U.S. Print and Related Services
Goodwill [Line Items]
Goodwill	3,296.8	3,299.2
Accumulated impairment losses	(1,989.9)	(1,989.9)
Total	1,306.9	1,309.3
Foreign exchange and other adjustments	(2.4)
International
Goodwill [Line Items]
Goodwill	1,307.2	1,321.5
Accumulated impairment losses	(1,179.1)	(1,194.4)
Total	128.1	127.1
Foreign exchange and other adjustments	$ 1.0