Segment Information - Schedule of Segment Reporting Information (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Segment Reporting Information [Line Items]
Net Sales	$ 2,772.4	$ 2,828.0	$ 8,153.5	$ 8,322.2
Income (Loss) from Operations	157.5	123.3	343.1	396.6
Assets of Operations	7,472.5	7,470.6	7,472.5	7,470.6	$ 7,279.3
Depreciation and amortization	101.5	115.3	312.5	341.5
Capital Expenditures	46.5	51.7	147.9	152.8
Publishing and Retail Services
Segment Reporting Information [Line Items]
Net Sales	672.0	684.9	1,889.3	1,840.4
Variable Print
Segment Reporting Information [Line Items]
Net Sales	914.3	935.9	2,699.5	2,796.0
Strategic Services
Segment Reporting Information [Line Items]
Net Sales	646.6	635.6	1,987.1	2,000.5
International
Segment Reporting Information [Line Items]
Net Sales	539.5	571.6	1,577.6	1,685.3
Total Operating Segments
Segment Reporting Information [Line Items]
Total Sales	2,948.6	2,928.8	8,518.4	8,586.5
Income (Loss) from Operations	177.4	134.5	534.0	446.6
Assets of Operations	6,923.1	7,052.1	6,923.1	7,052.1
Depreciation and amortization	100.3	114.4	309.5	338.7
Capital Expenditures	39.9	46.1	127.4	140.7
Total Operating Segments | Publishing and Retail Services
Segment Reporting Information [Line Items]
Total Sales	717.0	694.8	1,956.0	1,861.3
Income (Loss) from Operations	39.0	33.4	85.9	47.8
Assets of Operations	1,291.6	1,434.1	1,291.6	1,434.1
Depreciation and amortization	34.7	40.1	108.8	109.1
Capital Expenditures	11.9	5.9	23.6	27.9
Total Operating Segments | Variable Print
Segment Reporting Information [Line Items]
Total Sales	931.8	949.4	2,750.1	2,837.6
Income (Loss) from Operations	64.2	58.0	189.4	183.6
Assets of Operations	2,570.1	2,542.3	2,570.1	2,542.3
Depreciation and amortization	34.7	38.0	103.3	115.5
Capital Expenditures	15.8	18.7	47.9	43.1
Total Operating Segments | Strategic Services
Segment Reporting Information [Line Items]
Total Sales	731.9	685.6	2,152.7	2,119.1
Income (Loss) from Operations	39.8	51.5	161.0	189.3
Assets of Operations	1,528.1	1,420.4	1,528.1	1,420.4
Depreciation and amortization	15.0	15.8	47.0	50.4
Capital Expenditures	3.9	4.8	27.2	33.0
Total Operating Segments | International
Segment Reporting Information [Line Items]
Total Sales	567.9	599.0	1,659.6	1,768.5
Income (Loss) from Operations	34.4	(8.4)	97.7	25.9
Assets of Operations	1,533.3	1,655.3	1,533.3	1,655.3
Depreciation and amortization	15.9	20.5	50.4	63.7
Capital Expenditures	8.3	16.7	28.7	36.7
Intersegment Sales
Segment Reporting Information [Line Items]
Net Sales	(176.2)	(100.8)	(364.9)	(264.3)
Intersegment Sales | Publishing and Retail Services
Segment Reporting Information [Line Items]
Net Sales	(45.0)	(9.9)	(66.7)	(20.9)
Intersegment Sales | Variable Print
Segment Reporting Information [Line Items]
Net Sales	(17.5)	(13.5)	(50.6)	(41.6)
Intersegment Sales | Strategic Services
Segment Reporting Information [Line Items]
Net Sales	(85.3)	(50.0)	(165.6)	(118.6)
Intersegment Sales | International
Segment Reporting Information [Line Items]
Net Sales	(28.4)	(27.4)	(82.0)	(83.2)
Corporate
Segment Reporting Information [Line Items]
Income (Loss) from Operations	(19.9)	(11.2)	(190.9)	(50.0)
Assets of Operations	549.4	418.5	549.4	418.5
Depreciation and amortization	1.2	0.9	3.0	2.8
Capital Expenditures	$ 6.6	$ 5.6	$ 20.5	$ 12.1