CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Statement Of Income And Comprehensive Income [Abstract]
Net loss	$ (92.7)	$ (9.6)	$ (33.2)
Other comprehensive loss, net of tax (Note 14):
Translation adjustments	7.0	(39.9)	57.1
Adjustment for net periodic pension and other postretirement benefits plan cost	(30.5)	11.4	14.9
Adjustment for available-for-sale securities	0.0		(119.3)
Changes in fair value of derivatives	1.0
Other comprehensive loss	(22.5)	(28.5)	(47.3)
Comprehensive loss	(115.2)	(38.1)	(80.5)
Less: comprehensive income attributable to noncontrolling interests	0.4	1.0	1.9
Comprehensive loss attributable to RRD common stockholders	$ (115.6)	$ (39.1)	$ (82.4)

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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