CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Statement Of Income And Comprehensive Income [Abstract]
Net (loss) income	$ (12.6)	$ 76.7	$ (21.9)	$ 26.9
Other comprehensive loss, net of tax (Note 11):
Translation adjustments	(41.6)	20.1	(22.7)	29.1
Adjustment for net periodic pension and postretirement benefits plan cost	1.7	0.7	4.3	1.4
Adjustment for available-for-sale securities		(85.2)		(117.5)
Other comprehensive loss	(39.9)	(64.4)	(18.4)	(87.0)
Comprehensive (loss) income	(52.5)	12.3	(40.3)	(60.1)
Less: comprehensive (loss) income attributable to noncontrolling interests	(0.2)	0.3	0.6	0.8
Comprehensive (loss) income attributable to RRD common stockholders	$ (52.3)	$ 12.0	$ (40.9)	$ (60.9)