XML 47 R35.htm IDEA: XBRL DOCUMENT v3.8.0.1
Overview and Basis of Presentation - Additional Information (Details) - USD ($)
shares in Millions, $ in Millions
3 Months Ended 6 Months Ended 9 Months Ended
Aug. 01, 2017
Jun. 21, 2017
Mar. 28, 2017
Oct. 01, 2016
Sep. 30, 2017
Sep. 30, 2016
Jun. 30, 2017
Sep. 30, 2017
Sep. 30, 2016
Organization Consolidation And Presentation Of Financial Statements [Line Items]                  
Distribution of common shares during spinoff       26.2          
Percentage of distribution of common shares during spinoff       80.75%          
Description of distribution of common shares during spinoff               Holders of RRD common stock received one share of Donnelley Financial common stock for every eight shares of RRD common stock held on September 23, 2016.  
Number of common stock sold   6.1              
Proceeds from the issuance of common stock               $ 18.8 $ 0.0
Net Sales         $ 222.6 $ 224.4   $ 780.1 762.5
Transition Services Agreements                  
Organization Consolidation And Presentation Of Financial Statements [Line Items]                  
Intercompany agreements, description               In connection with the Separation, the Company entered into transition services agreements separately with RRD and LSC, under which, in exchange for the fees specified in the arrangements, RRD and LSC agree to provide certain services to the Company and the Company agrees to provide certain services to RRD, respectively, for up to 24 months following the Separation. These services include, but are not limited to, information technology, accounts receivable, accounts payable, payroll and other financial and administrative services and functions. These agreements facilitate the separation by allowing the Company to operate independently prior to establishing stand-alone back office systems across its organization.  
Term of agreement               24 months  
Commercial and Other Arrangements                  
Organization Consolidation And Presentation Of Financial Statements [Line Items]                  
Intercompany agreements, description               At the time of the Separation, the Company entered into a number of commercial and other arrangements with RRD and its subsidiaries. These include, among other things, arrangements for the provision of services, including global outsourcing and logistics services, printing and binding, digital printing, composition, premedia and access to technology. The Company also entered into a number of commercial and other arrangements with LSC and its subsidiaries, pursuant to which LSC will print and bind products for the Company. The terms of the arrangements with RRD and LSC do not exceed 24 months. Subsequent to the Separation, RRD and LSC are clients of the Company and expect to utilize financial communication software and services that the Company makes available to all of its clients.  
Term of agreement               24 months  
R.R. Donnelley & Sons Company                  
Organization Consolidation And Presentation Of Financial Statements [Line Items]                  
Distribution of common shares during spinoff       26.2          
Number of common stock retained   0.1   6.2 0.1     0.1  
Ownership percentage       19.25%          
Net pension plan liabilities       $ 68.3          
Total benefit plan liability       317.0          
Decrease to the fair value of plan assets             $ (0.7)    
Plan assets, fair market value       248.7          
Net other postretirement benefit liability       $ 1.5          
RRD and Affiliates                  
Organization Consolidation And Presentation Of Financial Statements [Line Items]                  
Net Sales           1.1     3.6
Cost of sales           $ 20.2     $ 78.0
Underwritten Public Offering | R.R. Donnelley & Sons Company                  
Organization Consolidation And Presentation Of Financial Statements [Line Items]                  
Number of common stock sold 0.1 6.1 6.2            
Proceeds from the issuance of common stock   $ 18.8              
Underwritten Public Offering | R.R. Donnelley & Sons Company | Common Stock                  
Organization Consolidation And Presentation Of Financial Statements [Line Items]                  
Stock issued upon exercise of underwriters options   0.9