Segment Information - Schedule of Segment Reporting Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Segment Reporting Information [Line Items]
Net Sales	$ 1,521.9	$ 1,707.8
Income (Loss) from Operations	23.3	32.2
Depreciation and amortization	42.7	47.2
Capital Expenditures	37.4	21.5
Assets of Operations	3,667.4		$ 3,640.8
Continuing Operations
Segment Reporting Information [Line Items]
Depreciation and amortization	42.7	47.2
Capital Expenditures	37.4	21.5
Assets of Operations	3,667.4		3,640.8
Total Operating Segments
Segment Reporting Information [Line Items]
Net Sales	1,547.8	1,743.5
Income (Loss) from Operations	37.1	52.1
Total Operating Segments | Continuing Operations
Segment Reporting Information [Line Items]
Depreciation and amortization	41.4	45.9
Capital Expenditures	32.7	19.7
Assets of Operations	3,416.3		3,439.1
Intersegment Sales
Segment Reporting Information [Line Items]
Net Sales	(25.9)	(35.7)
Corporate
Segment Reporting Information [Line Items]
Income (Loss) from Operations	(13.8)	(19.9)
Corporate | Continuing Operations
Segment Reporting Information [Line Items]
Depreciation and amortization	1.3	1.3
Capital Expenditures	4.7	1.8
Assets of Operations	251.1		201.7
Business Services
Segment Reporting Information [Line Items]
Net Sales	1,236.3	1,416.1
Business Services | Total Operating Segments
Segment Reporting Information [Line Items]
Net Sales	1,255.9	1,445.5
Income (Loss) from Operations	28.6	39.8
Business Services | Total Operating Segments | Continuing Operations
Segment Reporting Information [Line Items]
Depreciation and amortization	29.3	34.0
Capital Expenditures	23.5	16.7
Assets of Operations	2,702.4		2,764.5
Business Services | Intersegment Sales
Segment Reporting Information [Line Items]
Net Sales	(19.6)	(29.4)
Marketing Solutions
Segment Reporting Information [Line Items]
Net Sales	285.6	291.7
Marketing Solutions | Total Operating Segments
Segment Reporting Information [Line Items]
Net Sales	291.9	298.0
Income (Loss) from Operations	8.5	12.3
Marketing Solutions | Total Operating Segments | Continuing Operations
Segment Reporting Information [Line Items]
Depreciation and amortization	12.1	11.9
Capital Expenditures	9.2	3.0
Assets of Operations	713.9		$ 674.6
Marketing Solutions | Intersegment Sales
Segment Reporting Information [Line Items]
Net Sales	$ (6.3)	$ (6.3)