Restructuring, Impairment and Other Charges - Schedule of Net Restructuring, Impairment and Other Charges (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Restructuring Cost And Reserve [Line Items]
Employee Terminations	$ 44.3	$ 30.3	$ 40.4
Other Restructuring Charges	17.6	20.8	33.8
Total Restructuring Charges	61.9	51.1	74.2
Impairment	36.1	47.1	20.9
Other Charges	24.6	35.5	38.4
Total	122.6	133.7	133.5
Publishing and Retail Services
Restructuring Cost And Reserve [Line Items]
Employee Terminations	6.5	(0.2)	17.0
Other Restructuring Charges	4.6	6.4	14.1
Total Restructuring Charges	11.1	6.2	31.1
Impairment	1.0	20.8	12.3
Other Charges	19.4	23.7	30.3
Total	31.5	50.7	73.7
Variable Print
Restructuring Cost And Reserve [Line Items]
Employee Terminations	3.7	17.2	2.2
Other Restructuring Charges	6.2	9.2	12.5
Total Restructuring Charges	9.9	26.4	14.7
Impairment	9.7	10.8	0.9
Other Charges	1.8	7.6	0.0
Total	21.4	44.8	15.6
Strategic Services
Restructuring Cost And Reserve [Line Items]
Employee Terminations	6.7	3.5	2.8
Other Restructuring Charges	2.1	2.1	2.0
Total Restructuring Charges	8.8	5.6	4.8
Impairment	0.9	1.8	6.3
Other Charges	3.4	4.2	8.1
Total	13.1	11.6	19.2
International
Restructuring Cost And Reserve [Line Items]
Employee Terminations	24.2	7.3	14.3
Other Restructuring Charges	3.5	1.3	3.6
Total Restructuring Charges	27.7	8.6	17.9
Impairment	24.5	13.7	1.0
Other Charges	0.0	0.0	0.0
Total	52.2	22.3	18.9
Corporate
Restructuring Cost And Reserve [Line Items]
Employee Terminations	3.2	2.5	4.1
Other Restructuring Charges	1.2	1.8	1.6
Total Restructuring Charges	4.4	4.3	5.7
Impairment	0.0	0.0	0.4
Other Charges	0.0	0.0	0.0
Total	$ 4.4	$ 4.3	$ 6.1