Equity - Schedule of Equity Activity (Detail) - USD ($) $ in Millions	3 Months Ended						9 Months Ended
	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2019	Sep. 30, 2018
Equity [Line Items]
Beginning Balance	$ (270.8)	$ (250.0)	$ (245.4)	$ (247.5)	$ (188.3)	$ (202.9)	$ (245.4)	$ (202.9)
Net (loss) income	12.9	(7.4)	(8.5)	34.8	(12.6)	(9.3)	(3.0)	12.9
Other comprehensive income (loss)	(19.5)	(2.5)	1.6	(6.8)	(39.9)	21.5	(20.4)	(25.2)
Share-based compensation	2.6	3.3	3.4	2.2	3.0	1.2
Issuance of share-based awards, net of withholdings and other	0.0	0.0	(0.9)	0.0	0.1	(0.9)
Cash dividends paid	(2.1)	(2.2)	(2.1)	(2.2)	(9.8)	(9.8)
Distributions to noncontrolling interests	0.0		(0.7)			(1.0)
Spinoff adjustments		(12.0)
Ending Balance	(276.9)	(270.8)	(250.0)	(219.5)	(247.5)	(188.3)	(276.9)	(219.5)
ASU 2016-02
Equity [Line Items]
Cumulative impact of adopting ASU, net of tax			2.6
ASU 2014-09
Equity [Line Items]
Cumulative impact of adopting ASU, net of tax						12.9
ASU 2018-02
Equity [Line Items]
Cumulative impact of adopting ASU, net of tax				0.0
Common Stock
Equity [Line Items]
Beginning Balance	0.9	0.9	0.9	0.9	0.9	0.9	0.9	0.9
Net (loss) income	0.0	0.0	0.0	0.0	0.0	0.0
Other comprehensive income (loss)	0.0	0.0	0.0	0.0	0.0	0.0
Share-based compensation	0.0	0.0	0.0	0.0	0.0	0.0
Issuance of share-based awards, net of withholdings and other	0.0	0.0	0.0	0.0	0.0	0.0
Cash dividends paid	0.0	0.0	0.0	0.0	0.0	0.0
Distributions to noncontrolling interests	0.0		0.0			0.0
Spinoff adjustments		0.0
Ending Balance	0.9	0.9	0.9	0.9	0.9	0.9	0.9	0.9
Common Stock | ASU 2016-02
Equity [Line Items]
Cumulative impact of adopting ASU, net of tax			0.0
Common Stock | ASU 2014-09
Equity [Line Items]
Cumulative impact of adopting ASU, net of tax						0.0
Common Stock | ASU 2018-02
Equity [Line Items]
Cumulative impact of adopting ASU, net of tax				0.0
Additional Paid-in Capital
Equity [Line Items]
Beginning Balance	3,355.5	3,352.7	3,404.0	3,411.0	3,412.5	3,444.0	3,404.0	3,444.0
Net (loss) income	0.0	0.0	0.0	0.0	0.0	0.0
Other comprehensive income (loss)	0.0	0.0	0.0	0.0	0.0	0.0
Share-based compensation	2.6	3.3	3.4	2.2	3.0	1.2
Issuance of share-based awards, net of withholdings and other	(0.8)	(0.5)	(54.7)	(0.9)	(4.5)	(32.7)
Cash dividends paid	0.0	0.0	0.0	0.0	0.0	0.0
Distributions to noncontrolling interests	0.0		0.0			0.0
Spinoff adjustments		0.0
Ending Balance	3,357.3	3,355.5	3,352.7	3,412.3	3,411.0	3,412.5	3,357.3	3,412.3
Additional Paid-in Capital | ASU 2016-02
Equity [Line Items]
Cumulative impact of adopting ASU, net of tax			0.0
Additional Paid-in Capital | ASU 2014-09
Equity [Line Items]
Cumulative impact of adopting ASU, net of tax						0.0
Additional Paid-in Capital | ASU 2018-02
Equity [Line Items]
Cumulative impact of adopting ASU, net of tax				0.0
Treasury Stock
Equity [Line Items]
Beginning Balance	(1,231.2)	(1,231.7)	(1,285.5)	(1,296.7)	(1,301.2)	(1,333.1)	(1,285.5)	(1,333.1)
Net (loss) income	0.0	0.0	0.0	0.0	0.0	0.0
Other comprehensive income (loss)	0.0	0.0	0.0	0.0	0.0	0.0
Share-based compensation	0.0	0.0	0.0	0.0	0.0	0.0
Issuance of share-based awards, net of withholdings and other	0.8	0.5	53.8	0.9	4.5	31.9
Cash dividends paid	0.0	0.0	0.0	0.0	0.0	0.0
Distributions to noncontrolling interests	0.0		0.0			0.0
Spinoff adjustments		0.0
Ending Balance	(1,230.4)	(1,231.2)	(1,231.7)	(1,295.8)	(1,296.7)	(1,301.2)	(1,230.4)	(1,295.8)
Treasury Stock | ASU 2016-02
Equity [Line Items]
Cumulative impact of adopting ASU, net of tax			0.0
Treasury Stock | ASU 2014-09
Equity [Line Items]
Cumulative impact of adopting ASU, net of tax						0.0
Treasury Stock | ASU 2018-02
Equity [Line Items]
Cumulative impact of adopting ASU, net of tax				0.0
Accumulated Deficit
Equity [Line Items]
Beginning Balance	(2,255.2)	(2,234.0)	(2,225.7)	(2,255.0)	(2,232.3)	(2,225.7)	(2,225.7)	(2,225.7)
Net (loss) income	12.6	(7.0)	(8.8)	34.3	(13.0)	(9.6)
Other comprehensive income (loss)	0.0	0.0	0.0	0.0	0.0	0.0
Share-based compensation	0.0	0.0	0.0	0.0	0.0	0.0
Issuance of share-based awards, net of withholdings and other	0.0	0.0	0.0	0.0	0.1	(0.1)
Cash dividends paid	(2.1)	(2.2)	(2.1)	(2.2)	(9.8)	(9.8)
Distributions to noncontrolling interests	0.0		0.0			0.0
Spinoff adjustments		(12.0)
Ending Balance	(2,244.7)	(2,255.2)	(2,234.0)	(2,200.8)	(2,255.0)	(2,232.3)	(2,244.7)	(2,200.8)
Accumulated Deficit | ASU 2016-02
Equity [Line Items]
Cumulative impact of adopting ASU, net of tax			2.6
Accumulated Deficit | ASU 2014-09
Equity [Line Items]
Cumulative impact of adopting ASU, net of tax						12.9
Accumulated Deficit | ASU 2018-02
Equity [Line Items]
Cumulative impact of adopting ASU, net of tax				22.1
Accumulated Other Comprehensive Loss
Equity [Line Items]
Beginning Balance	(154.8)	(152.4)	(153.8)	(122.0)	(82.7)	(103.7)	(153.8)	(103.7)
Net (loss) income	0.0	0.0	0.0	0.0	0.0	0.0
Other comprehensive income (loss)	(19.1)	(2.4)	1.4	(6.4)	(39.3)	21.0
Share-based compensation	0.0	0.0	0.0	0.0	0.0	0.0
Issuance of share-based awards, net of withholdings and other	0.0	0.0	0.0	0.0	0.0	0.0
Cash dividends paid	0.0	0.0	0.0	0.0	0.0	0.0
Distributions to noncontrolling interests	0.0		0.0			0.0
Spinoff adjustments		0.0
Ending Balance	(173.9)	(154.8)	(152.4)	(150.5)	(122.0)	(82.7)	(173.9)	(150.5)
Accumulated Other Comprehensive Loss | ASU 2016-02
Equity [Line Items]
Cumulative impact of adopting ASU, net of tax			0.0
Accumulated Other Comprehensive Loss | ASU 2014-09
Equity [Line Items]
Cumulative impact of adopting ASU, net of tax						0.0
Accumulated Other Comprehensive Loss | ASU 2018-02
Equity [Line Items]
Cumulative impact of adopting ASU, net of tax				(22.1)
RRD Stockholders' Equity
Equity [Line Items]
Beginning Balance	(284.8)	(264.5)	(260.1)	(261.8)	(202.8)	(217.6)	(260.1)	(217.6)
Net (loss) income	12.6	(7.0)	(8.8)	34.3	(13.0)	(9.6)
Other comprehensive income (loss)	(19.1)	(2.4)	1.4	(6.4)	(39.3)	21.0
Share-based compensation	2.6	3.3	3.4	2.2	3.0	1.2
Issuance of share-based awards, net of withholdings and other	0.0	0.0	(0.9)	0.0	0.1	(0.9)
Cash dividends paid	(2.1)	(2.2)	(2.1)	(2.2)	(9.8)	(9.8)
Distributions to noncontrolling interests	0.0		0.0			0.0
Spinoff adjustments		(12.0)
Ending Balance	(290.8)	(284.8)	(264.5)	(233.9)	(261.8)	(202.8)	(290.8)	(233.9)
RRD Stockholders' Equity | ASU 2016-02
Equity [Line Items]
Cumulative impact of adopting ASU, net of tax			2.6
RRD Stockholders' Equity | ASU 2014-09
Equity [Line Items]
Cumulative impact of adopting ASU, net of tax						12.9
RRD Stockholders' Equity | ASU 2018-02
Equity [Line Items]
Cumulative impact of adopting ASU, net of tax				0.0
Noncontrolling Interests
Equity [Line Items]
Beginning Balance	14.0	14.5	14.7	14.3	14.5	14.7	14.7	14.7
Net (loss) income	0.3	(0.4)	0.3	0.5	0.4	0.3
Other comprehensive income (loss)	(0.4)	(0.1)	0.2	(0.4)	(0.6)	0.5
Share-based compensation	0.0	0.0	0.0	0.0	0.0	0.0
Issuance of share-based awards, net of withholdings and other	0.0	0.0	0.0	0.0	0.0	0.0
Cash dividends paid	0.0	0.0	0.0	0.0	0.0	0.0
Distributions to noncontrolling interests	0.0		(0.7)			(1.0)
Spinoff adjustments		0.0
Ending Balance	$ 13.9	$ 14.0	14.5	14.4	$ 14.3	14.5	$ 13.9	$ 14.4
Noncontrolling Interests | ASU 2016-02
Equity [Line Items]
Cumulative impact of adopting ASU, net of tax			$ 0.0
Noncontrolling Interests | ASU 2014-09
Equity [Line Items]
Cumulative impact of adopting ASU, net of tax						$ 0.0
Noncontrolling Interests | ASU 2018-02
Equity [Line Items]
Cumulative impact of adopting ASU, net of tax				$ 0.0