Restructuring, Impairment and Other Charges - Schedule of Net Restructuring, Impairment and Other Charges (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Restructuring Cost And Reserve [Line Items]
Employee Terminations	$ 4.8	$ 17.9	$ 27.8	$ 34.0
Other Restructuring Charges	5.1	7.6	16.0	26.2
Total Restructuring Charges	9.9	25.5	43.8	60.2
Impairment	0.3	7.9	10.1	15.7
Other Charges	9.7	4.7	34.0	4.7
Total	19.9	38.1	87.9	80.6
Publishing and Retail Services
Restructuring Cost And Reserve [Line Items]
Employee Terminations	(0.2)	13.5	0.2	17.0
Other Restructuring Charges	1.8	3.1	5.6	10.9
Total Restructuring Charges	1.6	16.6	5.8	27.9
Impairment	(1.2)	6.2	2.4	10.7
Other Charges	7.4	0	23.7	0
Total	7.8	22.8	31.9	38.6
Variable Print
Restructuring Cost And Reserve [Line Items]
Employee Terminations	1.6	0	15.7	1.8
Other Restructuring Charges	2.8	2.8	6.2	10.0
Total Restructuring Charges	4.4	2.8	21.9	11.8
Impairment	1.7	0.6	6.9	1.0
Other Charges	2.2	0	6.3	0
Total	8.3	3.4	35.1	12.8
Strategic Services
Restructuring Cost And Reserve [Line Items]
Employee Terminations	0.9	0.6	3.3	2.2
Other Restructuring Charges	0.2	0.7	1.7	2.0
Total Restructuring Charges	1.1	1.3	5.0	4.2
Impairment	0	0.9	0	2.7
Other Charges	0.1	4.7	4.0	4.7
Total	1.2	6.9	9.0	11.6
International
Restructuring Cost And Reserve [Line Items]
Employee Terminations	1.9	4.0	5.9	9.6
Other Restructuring Charges	0.2	0.6	0.8	1.9
Total Restructuring Charges	2.1	4.6	6.7	11.5
Impairment	(0.2)	0.2	0.8	0.9
Other Charges	0	0	0	0
Total	1.9	4.8	7.5	12.4
Corporate
Restructuring Cost And Reserve [Line Items]
Employee Terminations	0.6	(0.2)	2.7	3.4
Other Restructuring Charges	0.1	0.4	1.7	1.4
Total Restructuring Charges	0.7	0.2	4.4	4.8
Impairment	0	0	0	0.4
Other Charges	0	0	0	0
Total	$ 0.7	$ 0.2	$ 4.4	$ 5.2