Acquisition and Dispositions - Narrative (Detail) - USD ($) $ in Millions			3 Months Ended		9 Months Ended
	Aug. 01, 2019	Jul. 02, 2018	Mar. 31, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Business Acquisition [Line Items]
Business acquisition cash paid					$ 3.0
Proceeds from sale of business					10.4	$ 50.5
RRD Brazil
Business Acquisition [Line Items]
Gain (loss) on disposition of business					4.0
Net sales			$ 8.8	$ 12.4		43.2
Loss before income taxes			$ 4.1	4.1		$ 15.6
Business Services
Business Acquisition [Line Items]
Business acquisition date of completion	Aug. 01, 2019
Business acquisition purchase price	$ 14.6
Business acquisition cash paid	3.0
Business acquisition note payable	$ 3.0
Business acquisition note payable maturity date.	Jan. 01, 2020
Business acquisition contingent consideration	$ 8.6
Business Services | Disposition by Sale
Business Acquisition [Line Items]
Cash on disposition of business					11.7
Gain (loss) on disposition of business					$ 6.2
Business Services | Disposition by Sale | Print Logistics
Business Acquisition [Line Items]
Cash on disposition of business		$ 60.0
Proceeds from sale of business		43.9
Cash included in disposition		$ 4.9
Pre-tax gain resulted from disposition of business				$ 3.6