Restructuring, Impairment and Other Charges - Narrative (Detail) $ in Millions	3 Months Ended			12 Months Ended
	Sep. 30, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2015 USD ($) Entity Employee Facility	Dec. 31, 2014 USD ($) Employee Facility	Dec. 31, 2013 USD ($) Employee Facility
Restructuring Cost And Reserve [Line Items]
Employee termination costs				$ 44.3	$ 30.3	$ 40.4
Number of employees used to determine employee termination costs				1,939	654	1,382
Number of employees who were terminated as of date | Employee				1,719
Other restructuring charges				$ 17.6	$ 20.8	$ 33.8
Impairment charges, net				6.2	14.0	17.6
Goodwill impairment non-cash charges				18.0	18.1
impairment of intangible assets				11.9
Multi-employer pension plan withdrawal obligations
Restructuring Cost And Reserve [Line Items]
Other restructuring charges						14.7
Customer Relationships
Restructuring Cost And Reserve [Line Items]
impairment of intangible assets				11.9
International
Restructuring Cost And Reserve [Line Items]
Employee termination costs				$ 24.2	7.3	14.3
Number of facilities closed | Employee				2
Other restructuring charges				$ 3.5	1.3	3.6
Goodwill impairment non-cash charges	$ 18.0			18.0	0.0
International | Customer Relationships
Restructuring Cost And Reserve [Line Items]
impairment of intangible assets		$ 7.8			7.8
International | Customer Relationship Intangible Assets
Restructuring Cost And Reserve [Line Items]
impairment of intangible assets		7.8
International | Europe
Restructuring Cost And Reserve [Line Items]
Goodwill impairment non-cash charges	13.7
International | Latin America
Restructuring Cost And Reserve [Line Items]
Goodwill impairment non-cash charges	$ 4.3
International | Latin America | Customer Relationships
Restructuring Cost And Reserve [Line Items]
impairment of intangible assets				2.2
Variable Print
Restructuring Cost And Reserve [Line Items]
Employee termination costs				3.7	17.2	$ 2.2
Number of facilities closed | Facility						1
Other restructuring charges				6.2	9.2	$ 12.5
Goodwill impairment non-cash charges				0.0	0.0
Variable Print | Trade Names
Restructuring Cost And Reserve [Line Items]
impairment of intangible assets					$ 1.4
Variable Print | Consolidated Graphics, Inc
Restructuring Cost And Reserve [Line Items]
Number of facilities closed | Facility					7
Variable Print | Customer Relationships
Restructuring Cost And Reserve [Line Items]
impairment of intangible assets		4.1
Variable Print | Customer Relationship Intangible Assets
Restructuring Cost And Reserve [Line Items]
impairment of intangible assets		4.1
Variable Print | Labels | Customer Relationships
Restructuring Cost And Reserve [Line Items]
impairment of intangible assets				$ 9.2
Variable Print | Other Subsegment
Restructuring Cost And Reserve [Line Items]
Number of facilities closed | Facility				1	1
Publishing and Retail Services
Restructuring Cost And Reserve [Line Items]
Employee termination costs				$ 6.5	$ (0.2)	$ 17.0
Number of facilities closed | Facility					1	2
Other restructuring charges				4.6	$ 6.4	$ 14.1
Goodwill impairment non-cash charges		18.1		$ 0.0	18.1
Publishing and Retail Services | Other Subsegment
Restructuring Cost And Reserve [Line Items]
Number of facilities closed | Facility				1
Strategic Services
Restructuring Cost And Reserve [Line Items]
Employee termination costs				$ 6.7	3.5	2.8
Other restructuring charges				2.1	2.1	$ 2.0
Goodwill impairment non-cash charges				$ 0.0	$ 0.0
Strategic Services | Customer Relationships
Restructuring Cost And Reserve [Line Items]
impairment of intangible assets		1.7	$ 3.3
Strategic Services | Customer Relationship Intangible Assets
Restructuring Cost And Reserve [Line Items]
impairment of intangible assets		$ 1.7