CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement Of Income And Comprehensive Income [Abstract]
Net loss	$ (57.2)	$ (7.4)	$ (70.1)	$ (15.9)
Other comprehensive income (loss), net of tax (Note 11):
Translation adjustments	6.8	(3.2)	(13.2)	(2.0)
Adjustments for net periodic pension and postretirement benefits plan cost	0.7	(0.2)	1.5	(0.4)
Changes in fair value of derivatives	(1.3)		(13.3)
Other		0.9		1.5
Other comprehensive income (loss)	6.2	(2.5)	(25.0)	(0.9)
Comprehensive loss	(51.0)	(9.9)	(95.1)	(16.8)
Less: comprehensive loss attributable to non-controlling interests		(0.5)	(0.1)
Comprehensive loss attributable to RRD common stockholders	$ (51.0)	$ (9.4)	$ (95.0)	$ (16.8)