CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Statement Of Income And Comprehensive Income [Abstract]
Net (loss) earnings	$ (6.8)	$ 11.6	$ 19.0	$ 67.1
Other comprehensive (loss) income, net of tax (Note 10):
Translation adjustments	(4.4)	(37.5)	(9.0)	(42.5)
Adjustment for net periodic pension and postretirement benefits plan cost	(19.4)	2.2	(13.3)	10.4
Change in fair value of derivatives		0.1		0.1
Other comprehensive loss	(23.8)	(35.2)	(22.3)	(32.0)
Comprehensive (loss) income	(30.6)	(23.6)	(3.3)	35.1
Less: comprehensive income (loss) attributable to noncontrolling interests	0.3	(3.7)	1.0	(14.0)
Comprehensive (loss) income attributable to RR Donnelley common stockholders	$ (30.9)	$ (19.9)	$ (4.3)	$ 49.1