CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME LOSS - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement Of Income And Comprehensive Income [Abstract]
Net loss	$ (1.1)	$ (12.9)
Other comprehensive (loss) income, net of tax (Note 12):
Translation adjustments	(10.2)	(20.0)
Adjustments for net periodic pension and postretirement benefits plan cost	1.1	0.8
Changes in fair value of derivatives	2.5	(12.0)
Other comprehensive loss	(6.6)	(31.2)
Comprehensive loss	(7.7)	(44.1)
Less: comprehensive loss attributable to non-controlling interests		(0.1)
Comprehensive loss attributable to RRD common stockholders	$ (7.7)	$ (44.0)