Equity (Summary Of Company Equity Activity) (Details) (USD $) In Millions	3 Months Ended	9 Months Ended
Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Equity, Class of Treasury Stock [Line Items]
Balance			$ 2,245.4	$ 2,161.0
Net earnings (loss)	158.7	52.8	205.5	191.0
Other comprehensive income			16.6	13.2
Share-based compensation			22.5	22.4
Withholdings for share-based awards and other			(6.4)	(1.6)
Cash dividends paid			(156.5)	(160.7)
Payments for the acquisition of common stock			(500.0)
Distributions to noncontrolling interests			(3.2)	(1.6)
Balance	1,823.9	2,223.7	1,823.9	2,223.7
RR Donnelley Shareholders' Equity [Member]
Equity, Class of Treasury Stock [Line Items]
Balance			2,224.3	2,134.0
Net earnings (loss)			204.1	194.7
Other comprehensive income			16.3	13.0
Share-based compensation			22.5	22.4
Withholdings for share-based awards and other			(6.4)	(1.6)
Cash dividends paid			(156.5)	(160.7)
Payments for the acquisition of common stock			(500.0)
Distributions to noncontrolling interests
Balance	1,804.3	2,201.8	1,804.3	2,201.8
Noncontrolling Interests [Member]
Equity, Class of Treasury Stock [Line Items]
Balance			21.1	27.0
Net earnings (loss)			1.4	(3.7)
Other comprehensive income			0.3	0.2
Share-based compensation
Withholdings for share-based awards and other
Cash dividends paid
Payments for the acquisition of common stock
Distributions to noncontrolling interests			(3.2)	(1.6)
Balance	$ 19.6	$ 21.9	$ 19.6	$ 21.9

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

This element represents Other Comprehensive Income or Loss, Net of Tax, for the period. Includes deferred gains or losses on qualifying hedges, unrealized holding gains or losses on available-for-sale securities, minimum pension liability, and cumulative translation adjustment. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Statement of Financial Accounting Standard (FAS)

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+ Details

- Definition

The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

+ References

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

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+ Details

- Definition

Total of Stockholders' Equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity including portions attributable to both the parent and noncontrolling interests (previously referred to as minority interest), if any. The entity including portions attributable to the parent and noncontrolling interests is sometimes referred to as the economic entity. This excludes temporary equity and is sometimes called permanent equity.

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