Earnings per Share - Earnings per Share Reconciliation (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Net loss per share attributable to RRD common stockholders:
Basic	$ (0.79)	$ (0.10)	$ (0.98)	$ (0.22)
Diluted	$ (0.79)	$ (0.10)	$ (0.98)	$ (0.22)
Net loss attributable to RRD common stockholders	$ (57.2)	$ (7.0)	$ (70.2)	$ (15.8)
Weighted average number of common shares outstanding - Basic and Diluted	72.2	71.3	71.9	71.0
Weighted average number of anti-dilutive share-based awards:
Weighted average antidilutive securities excluded from computation of earnings per share	1.8	1.8	1.4	1.5
Dividends declared per common share		$ 0.03	$ 0.03	$ 0.06
Stock options
Weighted average number of anti-dilutive share-based awards:
Weighted average antidilutive securities excluded from computation of earnings per share	0.3	0.4	0.3	0.5
Restricted stock units
Weighted average number of anti-dilutive share-based awards:
Weighted average antidilutive securities excluded from computation of earnings per share	1.5	1.4	1.1	1.0