Product and Services Net Sales (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Entity Wide Information Revenue From External Customer [Line Items]
Total products	$ 5,326.0	$ 5,225.4	$ 5,255.5
Total services	1,613.6	1,607.6	1,625.2
Total net sales	6,939.6	6,833.0	6,880.7
Commercial, digital print and related products
Entity Wide Information Revenue From External Customer [Line Items]
Total products	2,586.8	2,539.1	2,446.3
Statements
Entity Wide Information Revenue From External Customer [Line Items]
Total products	556.4	561.3	595.3
Direct Mail
Entity Wide Information Revenue From External Customer [Line Items]
Total products	546.3	537.4	530.2
Labels
Entity Wide Information Revenue From External Customer [Line Items]
Total products	470.4	472.1	505.3
Packaging and related products
Entity Wide Information Revenue From External Customer [Line Items]
Total products	566.7	464.6	482.5
Forms
Entity Wide Information Revenue From External Customer [Line Items]
Total products	284.5	329.2	350.0
Global Turnkey Solutions
Entity Wide Information Revenue From External Customer [Line Items]
Total products	314.9	321.7	345.9
Logistics services
Entity Wide Information Revenue From External Customer [Line Items]
Total services	1,244.7	1,242.5	1,227.7
Business process outsourcing
Entity Wide Information Revenue From External Customer [Line Items]
Total services	216.3	223.7	241.9
Digital And Creative Solutions
Entity Wide Information Revenue From External Customer [Line Items]
Total services	$ 152.6	$ 141.4	$ 155.6