Segment Information - Schedule of Segment Reporting Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Segment Reporting Information [Line Items]
Net Sales	$ 1,409.5	$ 1,521.9
Income (Loss) from Operations	8.8	23.3
Depreciation and amortization	40.8	42.7
Capital Expenditures	17.7	37.4
Assets of Operations	3,437.5		$ 3,330.1
Continuing Operations
Segment Reporting Information [Line Items]
Depreciation and amortization	40.8	42.7
Capital Expenditures	17.7	37.4
Assets of Operations	3,437.5	3,330.1
Total Operating Segments
Segment Reporting Information [Line Items]
Net Sales	1,432.6	1,547.8
Income (Loss) from Operations	44.5	37.1
Total Operating Segments | Continuing Operations
Segment Reporting Information [Line Items]
Depreciation and amortization	40.2	41.4
Capital Expenditures	12.3	32.7
Assets of Operations	2,852.6	3,077.8
Intersegment Sales
Segment Reporting Information [Line Items]
Net Sales	(23.1)	(25.9)
Corporate
Segment Reporting Information [Line Items]
Income (Loss) from Operations	(35.7)	(13.8)
Corporate | Continuing Operations
Segment Reporting Information [Line Items]
Depreciation and amortization	0.6	1.3
Capital Expenditures	5.4	4.7
Assets of Operations	584.9	252.3
Business Services
Segment Reporting Information [Line Items]
Net Sales	1,085.7	1,236.3
Business Services | Total Operating Segments
Segment Reporting Information [Line Items]
Net Sales	1,102.2	1,255.9
Income (Loss) from Operations	19.6	28.6
Business Services | Total Operating Segments | Continuing Operations
Segment Reporting Information [Line Items]
Depreciation and amortization	26.0	29.3
Capital Expenditures	10.7	23.5
Assets of Operations	2,153.0	2,329.7
Business Services | Intersegment Sales
Segment Reporting Information [Line Items]
Net Sales	(16.5)	(19.6)
Marketing Solutions
Segment Reporting Information [Line Items]
Net Sales	323.8	285.6
Marketing Solutions | Total Operating Segments
Segment Reporting Information [Line Items]
Net Sales	330.4	291.9
Income (Loss) from Operations	24.9	8.5
Marketing Solutions | Total Operating Segments | Continuing Operations
Segment Reporting Information [Line Items]
Depreciation and amortization	14.2	12.1
Capital Expenditures	1.6	9.2
Assets of Operations	699.6	748.1
Marketing Solutions | Intersegment Sales
Segment Reporting Information [Line Items]
Net Sales	$ (6.6)	$ (6.3)