CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Statement Of Income And Comprehensive Income [Abstract]
Net loss	$ (9.6)	$ (33.2)	$ (494.6)
Other comprehensive (loss) income, net of tax (Note 15):
Translation adjustments	(39.9)	57.1	(38.3)
Adjustment for net periodic pension and other postretirement benefits plan cost	11.4	14.9	11.2
Adjustment for available-for-sale securities		(119.3)	119.3
Other comprehensive (loss) income	(28.5)	(47.3)	92.2
Comprehensive loss	(38.1)	(80.5)	(402.4)
Less: comprehensive income attributable to noncontrolling interests	1.0	1.9	0.8
Comprehensive loss attributable to RRD common stockholders	$ (39.1)	$ (82.4)	$ (403.2)