Segment Information - Schedule of Segment Reporting Information (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Segment Reporting Information [Line Items]
Net Sales	$ 1,646.0	$ 1,632.6	$ 3,322.3	$ 3,278.2
Income (Loss) from Operations	38.6	24.7	86.0	82.3
Assets of Operations	3,831.8		3,831.8		$ 4,284.7
Depreciation and amortization	47.5	49.9	96.1	102.5
Capital Expenditures			54.2	101.4
Continuing operations
Segment Reporting Information [Line Items]
Assets of Operations	3,831.8	4,197.6	3,831.8	4,197.6
Depreciation and amortization	47.5	49.9	96.1	102.5
Capital Expenditures	28.1	39.8	54.2	70.2
Total Operating Segments
Segment Reporting Information [Line Items]
Total Sales	1,698.2	1,686.1	3,430.0	3,380.4
Income (Loss) from Operations	51.4	77.8	115.9	171.7
Total Operating Segments | Continuing operations
Segment Reporting Information [Line Items]
Assets of Operations	3,506.4	3,870.2	3,506.4	3,870.2
Depreciation and amortization	46.6	50.1	93.9	101.6
Capital Expenditures	24.6	33.1	44.1	61.1
Intersegment Sales
Segment Reporting Information [Line Items]
Net Sales	(52.2)	(53.5)	(107.7)	(102.2)
Corporate
Segment Reporting Information [Line Items]
Income (Loss) from Operations	(12.8)	(53.1)	(29.9)	(89.4)
Corporate | Continuing operations
Segment Reporting Information [Line Items]
Assets of Operations	325.4	327.4	325.4	327.4
Depreciation and amortization	0.9	(0.2)	2.2	0.9
Capital Expenditures	3.5	6.7	10.1	9.1
Variable Print
Segment Reporting Information [Line Items]
Net Sales	735.0	741.4	1,512.1	1,521.5
Variable Print | Total Operating Segments
Segment Reporting Information [Line Items]
Total Sales	739.3	745.6	1,520.2	1,529.5
Income (Loss) from Operations	31.1	40.1	74.9	93.9
Variable Print | Total Operating Segments | Continuing operations
Segment Reporting Information [Line Items]
Assets of Operations	1,507.2	2,086.6	1,507.2	2,086.6
Depreciation and amortization	28.5	30.1	57.7	60.0
Capital Expenditures	9.7	17.0	15.5	30.5
Variable Print | Intersegment Sales
Segment Reporting Information [Line Items]
Net Sales	(4.3)	(4.2)	(8.1)	(8.0)
Strategic Services
Segment Reporting Information [Line Items]
Net Sales	406.0	400.1	830.6	784.6
Strategic Services | Total Operating Segments
Segment Reporting Information [Line Items]
Total Sales	443.7	437.7	910.9	857.0
Income (Loss) from Operations	4.0	8.9	7.8	12.0
Strategic Services | Total Operating Segments | Continuing operations
Segment Reporting Information [Line Items]
Assets of Operations	556.4	468.6	556.4	468.6
Depreciation and amortization	4.6	5.1	8.8	9.7
Capital Expenditures	3.0	9.2	6.2	13.1
Strategic Services | Intersegment Sales
Segment Reporting Information [Line Items]
Net Sales	(37.7)	(37.6)	(80.3)	(72.4)
International
Segment Reporting Information [Line Items]
Net Sales	505.0	491.1	979.6	972.1
International | Total Operating Segments
Segment Reporting Information [Line Items]
Total Sales	515.2	502.8	998.9	993.9
Income (Loss) from Operations	16.3	28.8	33.2	65.8
International | Total Operating Segments | Continuing operations
Segment Reporting Information [Line Items]
Assets of Operations	1,442.8	1,315.0	1,442.8	1,315.0
Depreciation and amortization	13.5	14.9	27.4	31.9
Capital Expenditures	11.9	6.9	22.4	17.5
International | Intersegment Sales
Segment Reporting Information [Line Items]
Net Sales	$ (10.2)	$ (11.7)	$ (19.3)	$ (21.8)