Discontinued Operations - Schedule of Financial Results of Discontinued Operations (Detail) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Net loss from discontinued operations		$ (9.7)	$ 170.1	$ 161.1
Donnelley Financial Solutions And L S C Communications | Discontinued Operations Spinoff
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Net sales		3,303.4	4,472.9	4,583.3
Cost of sales		2,534.7	3,414.2	3,506.5
Operating expenses	[1]	615.9	708.7	774.8
Interest and other (income) expense, net	[2]	151.4	71.6	58.4
Earnings before income taxes		1.4	278.4	243.6
Income tax expense		11.1	108.3	82.5
Net loss from discontinued operations		$ (9.7)	$ 170.1	$ 161.1

[1] Includes spinoff transaction costs incurred of $81.2 million and $13.6 million, respectively, during the years ended December 31, 2016 and 2015.

[2] Includes the related interest expense of the corporate level debt which was purchased in connection with the Separation totaling $55.9 million, $73.3 million and $73.3 million for the years ended December 31, 2016, 2015 and 2014. Also includes the losses on the extinguishment of corporate level debt executed in conjunction with the spinoff transactions totaling $96.1 million for the year ended December 31, 2016.