Restructuring, Impairment and Other Charges - Schedule of Net Restructuring, Impairment and Other Charges (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Restructuring Cost And Reserve [Line Items]
Employee Terminations	$ 5.0	$ 14.2
Other Restructuring Charges	4.1	3.6
Total Restructuring Charges	9.1	17.8
Impairment	(0.8)	0.7
Other Charges	1.4	1.3
Total	9.7	19.8
Publishing and Retail Services
Restructuring Cost And Reserve [Line Items]
Employee Terminations	0.6	2.8
Other Restructuring Charges	1.0	1.1
Total Restructuring Charges	1.6	3.9
Impairment	1.0	(0.4)
Other Charges	0.8	0.8
Total	3.4	4.3
Variable Print
Restructuring Cost And Reserve [Line Items]
Employee Terminations	0.2	2.0
Other Restructuring Charges	0.9	1.3
Total Restructuring Charges	1.1	3.3
Impairment	(0.3)	1.3
Other Charges	0.4	0.4
Total	1.2	5.0
Strategic Services
Restructuring Cost And Reserve [Line Items]
Employee Terminations	0.3	1.6
Other Restructuring Charges	0.5	0.5
Total Restructuring Charges	0.8	2.1
Other Charges	0.2	0.1
Total	1.0	2.2
International
Restructuring Cost And Reserve [Line Items]
Employee Terminations	3.7	7.7
Other Restructuring Charges	1.5	0.2
Total Restructuring Charges	5.2	7.9
Impairment	(2.7)	(0.2)
Other Charges		0.0
Total	2.5	7.7
Corporate
Restructuring Cost And Reserve [Line Items]
Employee Terminations	0.2	0.1
Other Restructuring Charges	0.2	0.5
Total Restructuring Charges	0.4	0.6
Impairment	1.2
Total	$ 1.6	$ 0.6