Related Parties - Summary of Amount in Consolidated and Combined Balance Sheet Due or From Related Parties (Details) - USD ($) $ in Millions |
Dec. 31, 2016 |
Dec. 31, 2015 |
|---|---|---|
| Related Party Transaction [Line Items] | ||
| Due from related parties | $ 96.0 | $ 0.0 |
| R.R. Donnelley & Sons Company | ||
| Related Party Transaction [Line Items] | ||
| Due from related parties | 96.0 | |
| Due to related parties | 27.1 | |
| LSC Communications, Inc | ||
| Related Party Transaction [Line Items] | ||
| Due from related parties | 0.8 | |
| Due to related parties | 2.5 | |
| RR Donnelley Affiliates | ||
| Related Party Transaction [Line Items] | ||
| Due from related parties | 96.8 | |
| Due to related parties | $ 29.6 |