Equity - Schedule of Equity Activity (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Equity [Line Items]
Beginning Balance	$ (243.8)	$ (370.3)
Net (loss) income	(1.1)	(12.9)
Other comprehensive (loss) income	(6.6)	(31.2)
Share-based compensation	0.2	1.4
Issuance of share-based awards, net of withholdings and other	(2.4)	(0.5)
Cash dividends paid		$ (2.1)
Accounting Standards Update [Extensible List]		us-gaap:AccountingStandardsUpdate201602Member
Distributions to noncontrolling interests	(0.7)	$ (0.7)
Ending Balance	(254.4)	(416.6)
Cumulative Effect, Period of Adoption, Adjustment
Equity [Line Items]
Beginning Balance		(0.3)
Common Stock
Equity [Line Items]
Beginning Balance	0.9	0.9
Ending Balance	0.9	0.9
Additional Paid-in Capital
Equity [Line Items]
Beginning Balance	3,263.6	3,348.0
Share-based compensation	0.2	1.4
Issuance of share-based awards, net of withholdings and other	(158.4)	(82.3)
Ending Balance	3,105.4	3,267.1
Treasury Stock
Equity [Line Items]
Beginning Balance	(1,127.6)	(1,219.6)
Issuance of share-based awards, net of withholdings and other	156.0	81.8
Ending Balance	(971.6)	(1,137.8)
Accumulated Deficit
Equity [Line Items]
Beginning Balance	(2,240.7)	(2,336.8)
Net (loss) income	(1.3)	(13.0)
Cash dividends paid		(2.1)
Ending Balance	(2,242.0)	(2,352.2)
Accumulated Deficit | Cumulative Effect, Period of Adoption, Adjustment
Equity [Line Items]
Beginning Balance		(0.3)
Accumulated Other Comprehensive Loss
Equity [Line Items]
Beginning Balance	(153.9)	(176.2)
Other comprehensive (loss) income	(6.4)	(31.0)
Ending Balance	(160.3)	(207.2)
RRD Stockholders' Equity
Equity [Line Items]
Beginning Balance	(257.7)	(383.7)
Net (loss) income	(1.3)	(13.0)
Other comprehensive (loss) income	(6.4)	(31.0)
Share-based compensation	0.2	1.4
Issuance of share-based awards, net of withholdings and other	(2.4)	(0.5)
Cash dividends paid		(2.1)
Ending Balance	(267.6)	(429.2)
RRD Stockholders' Equity | Cumulative Effect, Period of Adoption, Adjustment
Equity [Line Items]
Beginning Balance		(0.3)
Noncontrolling Interests
Equity [Line Items]
Beginning Balance	13.9	13.4
Net (loss) income	0.2	0.1
Other comprehensive (loss) income	(0.2)	(0.2)
Distributions to noncontrolling interests	(0.7)	(0.7)
Ending Balance	$ 13.2	$ 12.6