CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Statement Of Income And Comprehensive Income [Abstract]
Net loss	$ (8.5)	$ (9.3)
Other comprehensive income, net of tax (Note 11):
Translation adjustments	1.2	18.9
Adjustment for net periodic pension and postretirement benefits plan cost	(0.2)	2.6
Other	0.6	0.0
Other comprehensive income	1.6	21.5
Comprehensive (loss) income	(6.9)	12.2
Less: comprehensive income attributable to noncontrolling interests	0.5	0.8
Comprehensive (loss) income attributable to RRD common stockholders	$ (7.4)	$ 11.4