Discontinued Operations - Schedule of Financial Results of Discontinued Operations (Parenthetical) (Detail) - Donnelley Financial Solutions And L S C Communications - Discontinued Operations Spinoff $ in Millions	3 Months Ended
	Mar. 31, 2016 USD ($)
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Spinoff transaction costs	$ 11.9
Corporate Level Debt
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Interest expense	$ 18.0