Earnings per Share - Earnings per Share Reconciliation (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Earnings Per Share Basic And Diluted [Line Items]
Basic	[1]	$ (0.10)	$ 0.21	$ 0.26	$ 1.18
Diluted	[1]	(0.10)	0.20	0.26	1.17
Dividends declared per common share	[1]	$ 0.78	$ 0.78	$ 2.34	$ 2.34
Net (loss) earnings attributable to RR Donnelley common stockholders		$ (7.1)	$ 14.3	$ 18.2	$ 80.1
Weighted average number of common shares outstanding	[1]	70.0	69.7	70.0	68.1
Dilutive options and awards			0.4	0.5	0.4
Diluted weighted average number of common shares outstanding	[1]	70.0	70.1	70.5	68.5
Weighted average antidilutive securities excluded from computation of earnings per share		1.3	1.1	0.9	1.1
Stock options
Earnings Per Share Basic And Diluted [Line Items]
Weighted average antidilutive securities excluded from computation of earnings per share		0.8	0.7	0.7	0.7
Performance share units
Earnings Per Share Basic And Diluted [Line Items]
Weighted average antidilutive securities excluded from computation of earnings per share		0.2	0.4	0.2	0.4
Restricted stock units
Earnings Per Share Basic And Diluted [Line Items]
Weighted average antidilutive securities excluded from computation of earnings per share		0.3	0.0	0.0	0.0

[1] Earnings per share amounts, dividends declared per share amounts and adjusted weighted average common shares outstanding for all periods reflect RR Donnelley's 1-for-3 reverse stock split, which was effective October 1, 2016.