Overview and Basis of Presentation - Narrative (Detail) $ in Millions		1 Months Ended	3 Months Ended
	Oct. 02, 2016 Entity	Mar. 31, 2017 shares	Mar. 31, 2017 USD ($) shares	Oct. 01, 2016 shares
Overview And Basis Of Presentation [Line Items]
Percentage of distribution of common shares during spinoff				80.75%
Number of subsidiary shares sold by parent company		6,200,000
Issuance of common stock, value | $			$ 18
Over-allotment Option
Overview And Basis Of Presentation [Line Items]
Issuance of common stock, shares			900,000
Issuance of common stock, value | $			$ 18
Donnelley Financial Solutions
Overview And Basis Of Presentation [Line Items]
Percentage of distribution of common shares during spinoff				80.75%
RRD
Overview And Basis Of Presentation [Line Items]
Ownership percentage	19.25%	19.25%
Ownership percentage in Donnelley Financial solutions by related party	19.25%
Number of subsidiary shares sold by parent company		6,200,000
RR Donnelley
Overview And Basis Of Presentation [Line Items]
Number of entities resulted from spinoff of an entity | Entity	3
Number of share distributed to each stockholder in spinoff transaction in Donnelley Financial solutions by related party				0.125
Number of share distributed to each stockholder in spinoff transaction				0.125