Segment and Geographic Area Information - Schedule of Segment Reporting Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Total net sales	$ 4,963.7	$ 4,766.3	$ 5,473.2
Income (Loss) from Operations	163.5	108.1	185.3
Assets of Operations	3,131.4	3,130.9
Depreciation and amortization	130.5	145.7	162.6
Capital Expenditures	73.3	85.6	138.8
Continuing Operations
Segment Reporting Information [Line Items]
Assets of Operations	3,131.4	3,130.9	3,330.1
Depreciation and amortization	130.5	145.7	162.6
Capital Expenditures	73.3	85.6	138.8
Business Services
Segment Reporting Information [Line Items]
Total net sales	3,909.5	3,685.2	4,192.7
Marketing Solutions
Segment Reporting Information [Line Items]
Total net sales	1,054.2	1,081.1	1,280.5
Total Operating Segments
Segment Reporting Information [Line Items]
Total net sales	5,041.9	4,846.7	5,591.2
Income (Loss) from Operations	353.9	284.2	287.0
Total Operating Segments | Continuing Operations
Segment Reporting Information [Line Items]
Assets of Operations	2,970.5	2,895.2	3,077.0
Depreciation and amortization	120.5	142.3	155.5
Capital Expenditures	59.9	65.2	116.3
Total Operating Segments | Business Services
Segment Reporting Information [Line Items]
Total net sales	3,969.3	3,743.6	4,276.9
Income (Loss) from Operations	292.4	227.9	220.0
Total Operating Segments | Business Services | Continuing Operations
Segment Reporting Information [Line Items]
Assets of Operations	2,306.7	2,220.9	2,328.9
Depreciation and amortization	89.2	95.1	101.6
Capital Expenditures	49.8	48.9	79.8
Total Operating Segments | Marketing Solutions
Segment Reporting Information [Line Items]
Total net sales	1,072.6	1,103.1	1,314.3
Income (Loss) from Operations	61.5	56.3	67.0
Total Operating Segments | Marketing Solutions | Continuing Operations
Segment Reporting Information [Line Items]
Assets of Operations	663.8	674.3	748.1
Depreciation and amortization	31.3	47.2	53.9
Capital Expenditures	10.1	16.3	36.5
Intersegment Sales
Segment Reporting Information [Line Items]
Total net sales	(78.2)	(80.4)	(118.0)
Intersegment Sales | Business Services
Segment Reporting Information [Line Items]
Total net sales	(59.8)	(58.4)	(84.2)
Intersegment Sales | Marketing Solutions
Segment Reporting Information [Line Items]
Total net sales	(18.4)	(22.0)	(33.8)
Corporate
Segment Reporting Information [Line Items]
Income (Loss) from Operations	(190.4)	(176.1)	(101.7)
Assets of Operations	160.9	235.7	253.1
Corporate | Continuing Operations
Segment Reporting Information [Line Items]
Assets of Operations	160.9	235.7	253.1
Depreciation and amortization	10.0	3.4	7.1
Capital Expenditures	$ 13.4	$ 20.4	$ 22.5