Restructuring, Impairment and Other Charges - Narrative (Detail)	12 Months Ended
	Dec. 31, 2018 USD ($) Facility	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($) Facility
Restructuring Cost And Reserve [Line Items]
Employee termination costs	$ 12,900,000	$ 23,500,000	$ 21,900,000
Other restructuring charges	16,600,000	4,800,000	3,500,000
Impairment charges related to long-lived assets	13,700,000
Long-lived asset implied fair value	0
Impairment of other long lived assets	7,000,000	22,400,000	556,600,000
Goodwill impairment charges		21,300,000
Business Services
Restructuring Cost And Reserve [Line Items]
Gain on sale of previously impaired assets	$ 6,700,000		900,000
Number of manufacturing facility closures announced | Facility	4
Goodwill impairment charges			$ 527,800,000
Number of facilities closed | Facility			2
Business Services | Client Relationships
Restructuring Cost And Reserve [Line Items]
Impairment of intangible assets			$ 29,700,000
Marketing Solutions
Restructuring Cost And Reserve [Line Items]
Gain on sale of previously impaired assets			900,000
Goodwill impairment charges		$ 21,300,000	527,800,000
Marketing Solutions | Client Relationships
Restructuring Cost And Reserve [Line Items]
Impairment of intangible assets			$ 29,700,000