Revenue Recognition - Net Sales Disaggregated by Products and Services (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Disaggregation Of Revenue [Line Items]
Total net sales	$ 6,276.2	$ 6,800.2	$ 6,939.6
Commercial Print
Disaggregation Of Revenue [Line Items]
Total net sales	1,694.5	1,935.6	2,114.0
Packaging
Disaggregation Of Revenue [Line Items]
Total net sales	668.5	672.0	562.1
Statements
Disaggregation Of Revenue [Line Items]
Total net sales	545.4	584.2	556.4
Direct Marketing
Disaggregation Of Revenue [Line Items]
Total net sales	676.7	581.6	545.7
Labels
Disaggregation Of Revenue [Line Items]
Total net sales	497.4	481.4	470.4
Digital Print and Fulfillment
Disaggregation Of Revenue [Line Items]
Total net sales	492.1	474.4	478.0
Supply Chain Management
Disaggregation Of Revenue [Line Items]
Total net sales	298.7	321.0	314.9
Forms
Disaggregation Of Revenue [Line Items]
Total net sales	244.3	267.5	284.5
Products
Disaggregation Of Revenue [Line Items]
Total net sales	5,117.6	5,317.7	5,326.0
Logistics
Disaggregation Of Revenue [Line Items]
Total net sales	814.6	1,109.3	1,238.2
Business Process Outsourcing
Disaggregation Of Revenue [Line Items]
Total net sales	232.3	248.1	222.2
Digital and Creative Solutions
Disaggregation Of Revenue [Line Items]
Total net sales	111.7	125.1	153.2
Services
Disaggregation Of Revenue [Line Items]
Total net sales	$ 1,158.6	$ 1,482.5	$ 1,613.6