Restructuring, Impairment and Other Charges - Narrative (Detail) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016 USD ($) Employee	Sep. 30, 2015 USD ($)	Sep. 30, 2016 USD ($) Employee Facility	Sep. 30, 2015 USD ($) Employee Facility
Restructuring Cost And Reserve [Line Items]
Employee termination costs	$ 11.2	$ 18.8	$ 24.9	$ 39.8
Number of employees used to determine employee termination costs | Employee			870	1,829
Other restructuring charges	$ 2.3	4.6	$ 8.7	$ 13.0
Impairment charges, net		7.9	$ 0.5	$ 8.7
Termination Two
Restructuring Cost And Reserve [Line Items]
Number of employees who were terminated as of date | Employee	843		843
Termination One
Restructuring Cost And Reserve [Line Items]
Number of employees who were terminated as of date | Employee	1,829		1,829
Publishing and Retail Services
Restructuring Cost And Reserve [Line Items]
Number of facilities closed | Facility			1
International
Restructuring Cost And Reserve [Line Items]
Number of facilities closed | Facility			2	2
International | Europe
Restructuring Cost And Reserve [Line Items]
Goodwill impairment non-cash charges		13.7		$ 13.7
International | Latin America
Restructuring Cost And Reserve [Line Items]
Goodwill impairment non-cash charges		4.3		4.3
International | Customer Relationships Intangible Assets and Trade Names | Latin America
Restructuring Cost And Reserve [Line Items]
Impairment of intangible assets		$ 2.3		$ 2.3
Variable Print | Other Subsegment
Restructuring Cost And Reserve [Line Items]
Number of facilities closed | Facility				1