Segment Information - Schedule of Segment Reporting Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Segment Reporting Information [Line Items]
Net Sales	$ 1,707.8	$ 1,658.9
Income (Loss) from Operations	32.2	43.3
Depreciation and amortization	47.2	48.6
Capital Expenditures	21.5	26.1
Assets of Operations	3,680.6		$ 3,904.5
Continuing Operations
Segment Reporting Information [Line Items]
Depreciation and amortization	47.2	48.6
Capital Expenditures	21.5	26.1
Assets of Operations	3,680.6	3,904.5
Total Operating Segments
Segment Reporting Information [Line Items]
Net Sales	1,743.5	1,700.7
Income (Loss) from Operations	52.1	63.6
Total Operating Segments | Continuing Operations
Segment Reporting Information [Line Items]
Depreciation and amortization	45.9	47.3
Capital Expenditures	19.7	19.5
Assets of Operations	3,491.7	3,706.5
Intersegment Sales
Segment Reporting Information [Line Items]
Net Sales	(35.7)	(41.8)
Corporate
Segment Reporting Information [Line Items]
Income (Loss) from Operations	(19.9)	(20.3)
Corporate | Continuing Operations
Segment Reporting Information [Line Items]
Depreciation and amortization	1.3	1.3
Capital Expenditures	1.8	6.6
Assets of Operations	188.9	198.0
Business Services
Segment Reporting Information [Line Items]
Net Sales	1,416.1	1,376.4
Business Services | Total Operating Segments
Segment Reporting Information [Line Items]
Net Sales	1,445.5	1,409.8
Income (Loss) from Operations	39.8	58.7
Business Services | Total Operating Segments | Continuing Operations
Segment Reporting Information [Line Items]
Depreciation and amortization	34.0	35.1
Capital Expenditures	16.7	14.9
Assets of Operations	2,813.3	2,989.5
Business Services | Intersegment Sales
Segment Reporting Information [Line Items]
Net Sales	(29.4)	(33.4)
Marketing Solutions
Segment Reporting Information [Line Items]
Net Sales	291.7	282.5
Marketing Solutions | Total Operating Segments
Segment Reporting Information [Line Items]
Net Sales	298.0	290.9
Income (Loss) from Operations	12.3	4.9
Marketing Solutions | Total Operating Segments | Continuing Operations
Segment Reporting Information [Line Items]
Depreciation and amortization	11.9	12.2
Capital Expenditures	3.0	4.6
Assets of Operations	678.4	717.0
Marketing Solutions | Intersegment Sales
Segment Reporting Information [Line Items]
Net Sales	$ (6.3)	$ (8.4)