Basis of Presentation and Summary of Significant Accounting Policies - Property, Plant and Equipment by Geographic Location (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Property, plant and equipment, net	$ 310,000,000.0	$ 301,200,000
Impairment of Intangible Assets (Excluding Goodwill)	0	0	$ 0
Impairment of long-lived assets	0	0	0
Impairment of long-lived assets	0	0	$ 0
U.S.
Property, Plant and Equipment [Line Items]
Property, plant and equipment, net	198,700,000	183,600,000
Western Europe
Property, Plant and Equipment [Line Items]
Property, plant and equipment, net	71,500,000	76,700,000
Developing
Property, Plant and Equipment [Line Items]
Property, plant and equipment, net	29,500,000	30,400,000
Other Developed
Property, Plant and Equipment [Line Items]
Property, plant and equipment, net	$ 10,300,000	$ 10,500,000