Summary of Equity Activity (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Equity [Line Items]
Beginning Balance			$ 653.7	$ 68.7
Net earnings (loss)	65.6	66.5	32.4	91.8
Other comprehensive income (loss)	10.2	(21.0)	2.1	(14.7)
Share-based compensation			9.9	11.1
Issuances of common stock			300.7
Issuances of treasury stock			18.3
Issuance of share-based awards, net of withholdings and other			(5.1)	(6.7)
Cash dividends paid			(99.2)	(94.0)
Noncontrolling interests in acquired business			2.7
Distributions to noncontrolling interests			(0.7)	(1.1)
Ending Balance	914.8	55.1	914.8	55.1
Total RR Donnelley's Shareholders' Equity
Equity [Line Items]
Beginning Balance			631.8	52.8
Net earnings (loss)			35.7	92.5
Other comprehensive income (loss)			2.3	(14.8)
Share-based compensation			9.9	11.1
Issuances of common stock			300.7
Issuances of treasury stock			18.3
Issuance of share-based awards, net of withholdings and other			(5.1)	(6.7)
Cash dividends paid			(99.2)	(94.0)
Ending Balance	894.4	40.9	894.4	40.9
Noncontrolling Interest
Equity [Line Items]
Beginning Balance			21.9	15.9
Net earnings (loss)			(3.3)	(0.7)
Other comprehensive income (loss)			(0.2)	0.1
Noncontrolling interests in acquired business			2.7
Distributions to noncontrolling interests			(0.7)	(1.1)
Ending Balance	$ 20.4	$ 14.2	$ 20.4	$ 14.2