Segment Information - Schedule of Corporate Assets (Detail) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Segment Reporting Information [Line Items]
Cash and cash equivalents	$ 317.5	$ 288.7
Deferred income tax assets, net of valuation allowances	236.7	279.8
Investment in LSC and Donnelley Financial (Note 2)	328.7
Property, plant and equipment, net	650.3	696.6
Total assets	4,284.7	7,279.3
Corporate
Segment Reporting Information [Line Items]
Cash and cash equivalents	19.3	(45.9)	$ 94.1
Deferred income tax assets, net of valuation allowances	67.5	41.8	79.6
Software, net	43.0	48.5	46.0
Deferred compensation plan assets and Company owned life insurance assets	75.3	77.4	71.7
Investment in LSC and Donnelley Financial (Note 2)	328.7
Property, plant and equipment, net	30.2	41.6	43.0
Other	83.2	62.8	98.0
Total assets	$ 647.2	$ 226.2	$ 432.4