Equity (Summary Of The Company's Equity Activity) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Beginning Balance	$ 1,062.2	$ 2,245.4
Net earnings	37.9	34.3
Other comprehensive income	42.8	32.9
Stock-based compensation	7.4	6.2
Issuance of share-based awards, net of withholdings and other	(11.4)	(5.5)
Cash dividends paid	(46.4)	(53.7)
Distributions to noncontrolling interests	(0.7)	(1.9)
Ending Balance	1,091.8	2,257.7
Total RR Donnelley's Shareholders' Equity [Member]
Beginning Balance	1,042.7	2,224.3
Net earnings	37.4	33.9
Other comprehensive income	42.7	32.9
Stock-based compensation	7.4	6.2
Issuance of share-based awards, net of withholdings and other	(11.4)	(5.5)
Cash dividends paid	(46.4)	(53.7)
Ending Balance	1,072.4	2,238.1
Noncontrolling Interests [Member]
Beginning Balance	19.5	21.1
Net earnings	0.5	0.4
Other comprehensive income	0.1
Distributions to noncontrolling interests	(0.7)	(1.9)
Ending Balance	$ 19.4	$ 19.6