Restructuring, Impairment and Other Charges - Schedule of Net Restructuring, Impairment and Other Charges (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Restructuring Cost And Reserve [Line Items]
Employee Terminations	$ 30.3	$ 40.4	$ 66.6
Other Restructuring Charges	20.8	33.8	25.3
Total Restructuring Charges	51.1	74.2	91.9
Impairment	47.1	20.9	1,026.6
Other Charges	35.5	38.4
Total	133.7	133.5	1,118.5
Publishing and Retail Services
Restructuring Cost And Reserve [Line Items]
Employee Terminations	(0.2)	17.0	13.3
Other Restructuring Charges	6.4	14.1	5.2
Total Restructuring Charges	6.2	31.1	18.5
Impairment	20.8	12.3	827.7
Other Charges	23.7	30.3
Total	50.7	73.7	846.2
Variable Print
Restructuring Cost And Reserve [Line Items]
Employee Terminations	17.2	2.2	14.2
Other Restructuring Charges	9.2	12.5	5.6
Total Restructuring Charges	26.4	14.7	19.8
Impairment	10.8	0.9	9.8
Other Charges	7.6
Total	44.8	15.6	29.6
Strategic Services
Restructuring Cost And Reserve [Line Items]
Employee Terminations	3.5	2.8	7.7
Other Restructuring Charges	2.1	2.0	6.0
Total Restructuring Charges	5.6	4.8	13.7
Impairment	1.8	6.3	132.9
Other Charges	4.2	8.1
Total	11.6	19.2	146.6
International
Restructuring Cost And Reserve [Line Items]
Employee Terminations	7.3	14.3	11.0
Other Restructuring Charges	1.3	3.6	4.0
Total Restructuring Charges	8.6	17.9	15.0
Impairment	13.7	1.0	50.7
Total	22.3	18.9	65.7
Corporate
Restructuring Cost And Reserve [Line Items]
Employee Terminations	2.5	4.1	20.4
Other Restructuring Charges	1.8	1.6	4.5
Total Restructuring Charges	4.3	5.7	24.9
Impairment		0.4	5.5
Total	$ 4.3	$ 6.1	$ 30.4