Revenue Recognition - Net Sales Disaggregated by Products and Services (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Disaggregation Of Revenue [Line Items]
Total net sales	$ 6,800.2	$ 6,939.6	$ 6,833.0
Commercial Print
Disaggregation Of Revenue [Line Items]
Total net sales	1,935.6	2,114.0	2,072.5
Packaging
Disaggregation Of Revenue [Line Items]
Total net sales	672.0	562.1	459.3
Statements
Disaggregation Of Revenue [Line Items]
Total net sales	584.2	556.4	561.3
Direct Marketing
Disaggregation Of Revenue [Line Items]
Total net sales	581.6	545.7	537.4
Labels
Disaggregation Of Revenue [Line Items]
Total net sales	481.4	470.4	472.1
Digital Print and Fulfillment
Disaggregation Of Revenue [Line Items]
Total net sales	474.4	478.0	471.9
Supply Chain Management
Disaggregation Of Revenue [Line Items]
Total net sales	321.0	314.9	321.7
Forms
Disaggregation Of Revenue [Line Items]
Total net sales	267.5	284.5	329.2
Products
Disaggregation Of Revenue [Line Items]
Total net sales	5,317.7	5,326.0	5,225.4
Logistics
Disaggregation Of Revenue [Line Items]
Total net sales	1,109.3	1,238.2	1,236.1
Business Process Outsourcing
Disaggregation Of Revenue [Line Items]
Total net sales	248.1	222.2	228.9
Digital and Creative Solutions
Disaggregation Of Revenue [Line Items]
Total net sales	125.1	153.2	142.6
Services
Disaggregation Of Revenue [Line Items]
Total net sales	$ 1,482.5	$ 1,613.6	$ 1,607.6