Acquisitions and Dispositions - Narrative (Detail) shares in Millions, $ in Millions				12 Months Ended
	Jan. 11, 2016 USD ($) Business	Feb. 07, 2014 USD ($)	Jan. 31, 2014 USD ($) shares	Dec. 31, 2016 USD ($) Business	Dec. 31, 2015 USD ($) Business shares	Dec. 31, 2014 USD ($) shares	Aug. 04, 2016 USD ($)	Apr. 29, 2015	Aug. 15, 2014 USD ($)
Business Acquisition [Line Items]
Acquisition-related expenses				$ 2.7	$ 0.5	$ 7.0
Issuance of common stock shares for acquisitions of businesses | shares					2.7	5.7
Precision Dialogue Holdings, LLC
Business Acquisition [Line Items]
Purchase price, net of cash acquired							$ 59.2
Tax deductible goodwill							8.8
Debt assumed							$ 11.1
Four Insignificant Acquisitions
Business Acquisition [Line Items]
Purchase price, net of cash acquired					$ 20.2
Tax deductible goodwill					$ 9.8
Number of insignificant acquisitions | Business					4
Debt assumed					$ 3.7
Consolidated Graphics, Inc
Business Acquisition [Line Items]
Purchase price, net of cash acquired			$ 718.3
Tax deductible goodwill						$ 63.4
Debt assumed			118.4
Variable Print and Strategic Services Segment | Precision Dialogue Holdings, LLC
Business Acquisition [Line Items]
Sales from acquiree operations				22.4
Gain (loss) before income taxes				$ (2.8)
International | RRDA
Business Acquisition [Line Items]
Net sales						22.1
Gain (loss) before income taxes						(3.4)
Bankruptcy liquidation on effective of court approval						16.4
International | GRES
Business Acquisition [Line Items]
Net proceeds of disposition of business		$ 1.8
Gain (loss) on disposition of business		$ (0.8)
International | Disposition
Business Acquisition [Line Items]
Number of businesses disposed | Business	2			3
Net proceeds of disposition of business	$ 13.4			$ 0.3
Gain (loss) on disposition of business				$ 11.9
International | Disposition | Venezuelan Operating Entity
Business Acquisition [Line Items]
Gain (loss) on disposition of business					(14.7)
Joint venture, ownership percentage								50.10%
Net sales					16.3	101.5
Gain (loss) before income taxes					(38.4)	4.3
Variable Print and International segments | Consolidated Graphics, Inc
Business Acquisition [Line Items]
Purchase price of acquisition, cash			$ 359.9
Issuance of common stock shares for acquisitions of businesses | shares			5.3
Transaction value of acquisition			$ 660.6
Debt assumed			$ 118.4
Strategic Services | Journalism Online
Business Acquisition [Line Items]
Net proceeds of disposition of business									$ 10.5
Gain (loss) on disposition of business						$ 11.2
Loss recognized as a result of final sale price adjustment					0.2
Gain (loss) on disposition of business after adjustments					$ 11.0